From patchwork Fri Mar 1 08:56:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834695 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 207841399 for ; Fri, 1 Mar 2019 08:57:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0D6CE2F672 for ; Fri, 1 Mar 2019 08:57:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F208B2F6BD; Fri, 1 Mar 2019 08:57:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 992E02F672 for ; Fri, 1 Mar 2019 08:57:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728136AbfCAI5A convert rfc822-to-8bit (ORCPT ); Fri, 1 Mar 2019 03:57:00 -0500 Received: from mxhk.zte.com.cn ([63.217.80.70]:8802 "EHLO mxhk.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726036AbfCAI5A (ORCPT ); Fri, 1 Mar 2019 03:57:00 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 6DC6C3FD8DD54C244F7B; Fri, 1 Mar 2019 16:56:56 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218ul86086315; Fri, 1 Mar 2019 16:56:47 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116572652-2498911 ; Fri, 1 Mar 2019 16:57:26 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 01/15] ARM: actions: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:42 +0800 Message-Id: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:26, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:32 X-MAIL: mse01.zte.com.cn x218ul86086315 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-actions/platsmp.c:112:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 103, but without a corresponding object release within this function. ./arch/arm/mach-actions/platsmp.c:124:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 115, but without a corresponding object release within this function. ./arch/arm/mach-actions/platsmp.c:137:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 128, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: "Andreas Färber" Cc: Manivannan Sadhasivam Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-actions/platsmp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-actions/platsmp.c b/arch/arm/mach-actions/platsmp.c index 4fd479c..1a8e078 100644 --- a/arch/arm/mach-actions/platsmp.c +++ b/arch/arm/mach-actions/platsmp.c @@ -107,6 +107,7 @@ static void __init s500_smp_prepare_cpus(unsigned int max_cpus) } timer_base_addr = of_iomap(node, 0); + of_node_put(node); if (!timer_base_addr) { pr_err("%s: could not map timer registers\n", __func__); return; @@ -119,6 +120,7 @@ static void __init s500_smp_prepare_cpus(unsigned int max_cpus) } sps_base_addr = of_iomap(node, 0); + of_node_put(node); if (!sps_base_addr) { pr_err("%s: could not map sps registers\n", __func__); return; @@ -132,6 +134,7 @@ static void __init s500_smp_prepare_cpus(unsigned int max_cpus) } scu_base_addr = of_iomap(node, 0); + of_node_put(node); if (!scu_base_addr) { pr_err("%s: could not map scu registers\n", __func__); return; From patchwork Fri Mar 1 08:56:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834763 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 74A88188E for ; Fri, 1 Mar 2019 08:58:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 64D482F68E for ; Fri, 1 Mar 2019 08:58:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5825E2F6EB; Fri, 1 Mar 2019 08:58:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F1DC02F6BD for ; Fri, 1 Mar 2019 08:58:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733124AbfCAI5K (ORCPT ); Fri, 1 Mar 2019 03:57:10 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:59352 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726036AbfCAI5H (ORCPT ); Fri, 1 Mar 2019 03:57:07 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id F2CE5393152F0DEE746D; Fri, 1 Mar 2019 16:56:58 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218uqOa086450; Fri, 1 Mar 2019 16:56:52 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116573096-2498916 ; Fri, 1 Mar 2019 16:57:30 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 02/15] ARM: bcm: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:43 +0800 Message-Id: <1551430616-42014-2-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:31, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:36, Serialize complete at 2019-03-01 16:56:36 X-MAIL: mse01.zte.com.cn x218uqOa086450 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-bcm/board_bcm281xx.c:43:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 35, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Florian Fainelli Cc: Ray Jui Cc: Scott Branden Cc: bcm-kernel-feedback-list@broadcom.com Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Florian Fainelli --- arch/arm/mach-bcm/board_bcm281xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-bcm/board_bcm281xx.c b/arch/arm/mach-bcm/board_bcm281xx.c index b81bb38..1238ac8 100644 --- a/arch/arm/mach-bcm/board_bcm281xx.c +++ b/arch/arm/mach-bcm/board_bcm281xx.c @@ -38,6 +38,7 @@ static void bcm281xx_restart(enum reboot_mode mode, const char *cmd) return; } base = of_iomap(np_wdog, 0); + of_node_put(np_wdog); if (!base) { pr_emerg("Couldn't map brcm,kona-wdt\n"); return; From patchwork Fri Mar 1 08:56:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834697 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C9CBD17E9 for ; Fri, 1 Mar 2019 08:57:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B7C8C2F672 for ; Fri, 1 Mar 2019 08:57:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AA8792F6BD; Fri, 1 Mar 2019 08:57:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 466752F672 for ; Fri, 1 Mar 2019 08:57:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731833AbfCAI5H (ORCPT ); Fri, 1 Mar 2019 03:57:07 -0500 Received: from mxhk.zte.com.cn ([63.217.80.70]:9558 "EHLO mxhk.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733008AbfCAI5G (ORCPT ); Fri, 1 Mar 2019 03:57:06 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id BC2BAED9311404AC15A7; Fri, 1 Mar 2019 16:57:03 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218utNL086492; Fri, 1 Mar 2019 16:56:55 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116573424-2498920 ; Fri, 1 Mar 2019 16:57:34 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 03/15] ARM: exynos: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:44 +0800 Message-Id: <1551430616-42014-3-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:34, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:40, Serialize complete at 2019-03-01 16:56:40 X-MAIL: mse01.zte.com.cn x218utNL086492 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-exynos/firmware.c:201:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 193, but without a corresponding object release within this function. ./arch/arm/mach-exynos/firmware.c:204:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 193, but without a corresponding object release within this function. ./arch/arm/mach-exynos/suspend.c:642:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 634, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Russell King Cc: Kukjin Kim Cc: Krzysztof Kozlowski Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-exynos/firmware.c | 1 + arch/arm/mach-exynos/suspend.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index d602e3b..2eaf2db 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -196,6 +196,7 @@ bool __init exynos_secure_firmware_available(void) return false; addr = of_get_address(nd, 0, NULL, NULL); + of_node_put(nd); if (!addr) { pr_err("%s: No address specified.\n", __func__); return false; diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index 0850505..9afb0c6 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -639,8 +639,10 @@ void __init exynos_pm_init(void) if (WARN_ON(!of_find_property(np, "interrupt-controller", NULL))) { pr_warn("Outdated DT detected, suspend/resume will NOT work\n"); + of_node_put(np); return; } + of_node_put(np); pm_data = (const struct exynos_pm_data *) match->data; From patchwork Fri Mar 1 08:56:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834761 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6377A17E9 for ; Fri, 1 Mar 2019 08:58:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 531BB2F672 for ; Fri, 1 Mar 2019 08:58:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 46C092F6E7; Fri, 1 Mar 2019 08:58:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CE1762F672 for ; Fri, 1 Mar 2019 08:58:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733234AbfCAI5L (ORCPT ); Fri, 1 Mar 2019 03:57:11 -0500 Received: from mxhk.zte.com.cn ([63.217.80.70]:11802 "EHLO mxhk.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726195AbfCAI5L (ORCPT ); Fri, 1 Mar 2019 03:57:11 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 0BD96B86D0BDC44FF4DF; Fri, 1 Mar 2019 16:57:09 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218uwJa086664; Fri, 1 Mar 2019 16:56:58 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116573748-2498957 ; Fri, 1 Mar 2019 16:57:37 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 04/15] ARM: hisi: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:45 +0800 Message-Id: <1551430616-42014-4-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:37, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:43, Serialize complete at 2019-03-01 16:56:43 X-MAIL: mse01.zte.com.cn x218uwJa086664 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-hisi/platsmp.c:74:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function. ./arch/arm/mach-hisi/platsmp.c:78:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function. ./arch/arm/mach-hisi/platmcpm.c:337:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 275, but without a corresponding object release within this function. ./arch/arm/mach-hisi/platmcpm.c:347:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 275, but without a corresponding object release within this function. ./arch/arm/mach-hisi/platmcpm.c:337:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 284, but without a corresponding object release within this function. ./arch/arm/mach-hisi/platmcpm.c:347:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 284, but without a corresponding object release within this function. ./arch/arm/mach-hisi/platmcpm.c:337:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 287, but without a corresponding object release within this function. ./arch/arm/mach-hisi/platmcpm.c:347:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 287, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Wei Xu Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-hisi/platmcpm.c | 12 ++++++++++-- arch/arm/mach-hisi/platsmp.c | 7 +++++-- 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-hisi/platmcpm.c b/arch/arm/mach-hisi/platmcpm.c index f66815c..695423c 100644 --- a/arch/arm/mach-hisi/platmcpm.c +++ b/arch/arm/mach-hisi/platmcpm.c @@ -277,6 +277,7 @@ static int __init hip04_smp_init(void) goto err; ret = of_property_read_u32_array(np, "boot-method", &hip04_boot_method[0], 4); + of_node_put(np); if (ret) goto err; @@ -285,12 +286,14 @@ static int __init hip04_smp_init(void) if (!np_sctl) goto err; np_fab = of_find_compatible_node(NULL, NULL, "hisilicon,hip04-fabric"); - if (!np_fab) + if (!np_fab) { + of_node_put(np_sctl); goto err; + } ret = memblock_reserve(hip04_boot_method[0], hip04_boot_method[1]); if (ret) - goto err; + goto err_put_node; relocation = ioremap(hip04_boot_method[2], hip04_boot_method[3]); if (!relocation) { @@ -334,6 +337,8 @@ static int __init hip04_smp_init(void) iounmap(relocation); smp_set_ops(&hip04_smp_ops); + of_node_put(np_fab); + of_node_put(np_sctl); return ret; err_table: iounmap(fabric); @@ -343,6 +348,9 @@ static int __init hip04_smp_init(void) iounmap(relocation); err_reloc: memblock_free(hip04_boot_method[0], hip04_boot_method[1]); +err_put_node: + of_node_put(np_fab); + of_node_put(np_sctl); err: return ret; } diff --git a/arch/arm/mach-hisi/platsmp.c b/arch/arm/mach-hisi/platsmp.c index da5689a..ecc68fa 100644 --- a/arch/arm/mach-hisi/platsmp.c +++ b/arch/arm/mach-hisi/platsmp.c @@ -71,14 +71,17 @@ static void __init hi3xxx_smp_prepare_cpus(unsigned int max_cpus) ctrl_base = of_iomap(np, 0); if (!ctrl_base) { pr_err("failed to map address\n"); - return; + goto out_put_node; } if (of_property_read_u32(np, "smp-offset", &offset) < 0) { pr_err("failed to find smp-offset property\n"); - return; + goto out_put_node; } ctrl_base += offset; } + +out_put_node: + of_node_put(np); } static int hi3xxx_boot_secondary(unsigned int cpu, struct task_struct *idle) From patchwork Fri Mar 1 08:56:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834699 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 50C521399 for ; Fri, 1 Mar 2019 08:57:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3ADD02F68E for ; Fri, 1 Mar 2019 08:57:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2D1092F672; Fri, 1 Mar 2019 08:57:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B65842F672 for ; Fri, 1 Mar 2019 08:57:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387447AbfCAI5P (ORCPT ); Fri, 1 Mar 2019 03:57:15 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:59650 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726195AbfCAI5P (ORCPT ); Fri, 1 Mar 2019 03:57:15 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id EF3AE2ACC4777F4E14F6; Fri, 1 Mar 2019 16:57:12 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218v1Zh086712; Fri, 1 Mar 2019 16:57:01 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116574040-2498968 ; Fri, 1 Mar 2019 16:57:40 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang , Fabio Estevam , Lucas Stach Subject: [PATCH 05/15] ARM: imx51: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:46 +0800 Message-Id: <1551430616-42014-5-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:40, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:46, Serialize complete at 2019-03-01 16:56:46 X-MAIL: mse01.zte.com.cn x218v1Zh086712 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-imx/mach-imx51.c:64:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 57, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Russell King Cc: Shawn Guo Cc: Sascha Hauer Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: NXP Linux Team Cc: Lucas Stach Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-imx/mach-imx51.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-imx/mach-imx51.c b/arch/arm/mach-imx/mach-imx51.c index c7169c2..08c7892 100644 --- a/arch/arm/mach-imx/mach-imx51.c +++ b/arch/arm/mach-imx/mach-imx51.c @@ -59,6 +59,7 @@ static void __init imx51_m4if_setup(void) return; m4if_base = of_iomap(np, 0); + of_node_put(np); if (!m4if_base) { pr_err("Unable to map M4IF registers\n"); return; From patchwork Fri Mar 1 08:56:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834703 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1476D1399 for ; Fri, 1 Mar 2019 08:57:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 02A432F672 for ; Fri, 1 Mar 2019 08:57:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EA3C12F6E1; Fri, 1 Mar 2019 08:57:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 878752F672 for ; Fri, 1 Mar 2019 08:57:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387518AbfCAI5S (ORCPT ); Fri, 1 Mar 2019 03:57:18 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:59786 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387462AbfCAI5S (ORCPT ); Fri, 1 Mar 2019 03:57:18 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 7924E8CB0EA339EE6CBB; Fri, 1 Mar 2019 16:57:14 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218v4C8086834; Fri, 1 Mar 2019 16:57:04 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116574332-2498980 ; Fri, 1 Mar 2019 16:57:43 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 06/15] arm: npcm: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:47 +0800 Message-Id: <1551430616-42014-6-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:43, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:49, Serialize complete at 2019-03-01 16:56:49 X-MAIL: mse01.zte.com.cn x218v4C8086834 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-npcm/platsmp.c:52:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 31, but without a corresponding object release within this function. ./arch/arm/mach-npcm/platsmp.c:68:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 60, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Avi Fishman Cc: Tomer Maimon Cc: Patrick Venture Cc: Nancy Yuen Cc: Brendan Higgins Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: openbmc@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Avi Fishman --- arch/arm/mach-npcm/platsmp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-npcm/platsmp.c b/arch/arm/mach-npcm/platsmp.c index 21633c7..fe63edc 100644 --- a/arch/arm/mach-npcm/platsmp.c +++ b/arch/arm/mach-npcm/platsmp.c @@ -35,6 +35,7 @@ static int npcm7xx_smp_boot_secondary(unsigned int cpu, goto out; } gcr_base = of_iomap(gcr_np, 0); + of_node_put(gcr_np); if (!gcr_base) { pr_err("could not iomap gcr"); ret = -ENOMEM; @@ -63,6 +64,7 @@ static void __init npcm7xx_smp_prepare_cpus(unsigned int max_cpus) return; } scu_base = of_iomap(scu_np, 0); + of_node_put(scu_np); if (!scu_base) { pr_err("could not iomap scu"); return; From patchwork Fri Mar 1 08:56:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834735 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9917117E9 for ; Fri, 1 Mar 2019 08:57:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 867DE2F672 for ; Fri, 1 Mar 2019 08:57:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 797432F6BD; Fri, 1 Mar 2019 08:57:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C15E62F672 for ; Fri, 1 Mar 2019 08:57:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387675AbfCAI5u (ORCPT ); Fri, 1 Mar 2019 03:57:50 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:60906 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733163AbfCAI5u (ORCPT ); Fri, 1 Mar 2019 03:57:50 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id CC1E3FB4494B3BFFA1CA; Fri, 1 Mar 2019 16:57:16 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218v7wO086910; Fri, 1 Mar 2019 16:57:07 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116574621-2498999 ; Fri, 1 Mar 2019 16:57:46 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 07/15] ARM: rockchip: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:48 +0800 Message-Id: <1551430616-42014-7-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:46, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:52, Serialize complete at 2019-03-01 16:56:52 X-MAIL: mse01.zte.com.cn x218v7wO086910 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-rockchip/pm.c:269:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 259, but without a corresponding object release within this function. ./arch/arm/mach-rockchip/pm.c:275:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 259, but without a corresponding object release within this function ./arch/arm/mach-rockchip/platsmp.c:280:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 271, but without a corresponding object release within this function. ./arch/arm/mach-rockchip/platsmp.c:284:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 271, but without a corresponding object release within this function. ./arch/arm/mach-rockchip/platsmp.c:288:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 271, but without a corresponding object release within this function. ./arch/arm/mach-rockchip/platsmp.c:302:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 293, but without a corresponding object release within this function. ./arch/arm/mach-rockchip/platsmp.c:250:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 241, but without a corresponding object release within this function. ./arch/arm/mach-rockchip/platsmp.c:260:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 241, but without a corresponding object release within this function. ./arch/arm/mach-rockchip/platsmp.c:263:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 241, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Russell King Cc: Heiko Stuebner Cc: linux-arm-kernel@lists.infradead.org Cc: linux-rockchip@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-rockchip/platsmp.c | 12 ++++++++---- arch/arm/mach-rockchip/pm.c | 11 ++++++----- 2 files changed, 14 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-rockchip/platsmp.c b/arch/arm/mach-rockchip/platsmp.c index 51984a4..f93d64e 100644 --- a/arch/arm/mach-rockchip/platsmp.c +++ b/arch/arm/mach-rockchip/platsmp.c @@ -277,19 +277,20 @@ static void __init rockchip_smp_prepare_cpus(unsigned int max_cpus) sram_base_addr = of_iomap(node, 0); if (!sram_base_addr) { pr_err("%s: could not map sram registers\n", __func__); - return; + goto out_put_node; } if (has_pmu && rockchip_smp_prepare_pmu()) - return; + goto out_put_node; if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9) { if (rockchip_smp_prepare_sram(node)) - return; + goto out_put_node; /* enable the SCU power domain */ pmu_set_power_domain(PMU_PWRDN_SCU, true); + of_node_put(node); node = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-scu"); if (!node) { pr_err("%s: missing scu\n", __func__); @@ -299,7 +300,7 @@ static void __init rockchip_smp_prepare_cpus(unsigned int max_cpus) scu_base_addr = of_iomap(node, 0); if (!scu_base_addr) { pr_err("%s: could not map scu registers\n", __func__); - return; + goto out_put_node; } /* @@ -321,6 +322,9 @@ static void __init rockchip_smp_prepare_cpus(unsigned int max_cpus) /* Make sure that all cores except the first are really off */ for (i = 1; i < ncores; i++) pmu_set_power_domain(0 + i, false); + +out_put_node: + of_node_put(node); } static void __init rk3036_smp_prepare_cpus(unsigned int max_cpus) diff --git a/arch/arm/mach-rockchip/pm.c b/arch/arm/mach-rockchip/pm.c index 0592534..43a16c9 100644 --- a/arch/arm/mach-rockchip/pm.c +++ b/arch/arm/mach-rockchip/pm.c @@ -266,25 +266,26 @@ static int rk3288_suspend_init(struct device_node *np) rk3288_bootram_base = of_iomap(sram_np, 0); if (!rk3288_bootram_base) { pr_err("%s: could not map bootram base\n", __func__); - return -ENOMEM; + ret = -ENOMEM; + goto out_put_node; } ret = of_address_to_resource(sram_np, 0, &res); if (ret) { pr_err("%s: could not get bootram phy addr\n", __func__); - return ret; + goto out_put_node; } rk3288_bootram_phy = res.start; - of_node_put(sram_np); - rk3288_config_bootdata(); /* copy resume code and data to bootsram */ memcpy(rk3288_bootram_base, rockchip_slp_cpu_resume, rk3288_bootram_sz); - return 0; +out_put_node: + of_node_put(sram_np); + return ret; } static const struct platform_suspend_ops rk3288_suspend_ops = { From patchwork Fri Mar 1 08:56:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834715 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9B9971399 for ; Fri, 1 Mar 2019 08:57:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8ACD82F6BD for ; Fri, 1 Mar 2019 08:57:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7E38B2F68E; Fri, 1 Mar 2019 08:57:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1D29B2F6BD for ; Fri, 1 Mar 2019 08:57:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387552AbfCAI5X (ORCPT ); Fri, 1 Mar 2019 03:57:23 -0500 Received: from mxhk.zte.com.cn ([63.217.80.70]:18748 "EHLO mxhk.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387525AbfCAI5V (ORCPT ); Fri, 1 Mar 2019 03:57:21 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id CB400993C0240A279B7F; Fri, 1 Mar 2019 16:57:18 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218v9oQ086997; Fri, 1 Mar 2019 16:57:09 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116574884-2499005 ; Fri, 1 Mar 2019 16:57:48 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 08/15] ARM: shmobile: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:49 +0800 Message-Id: <1551430616-42014-8-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:48, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:54, Serialize complete at 2019-03-01 16:56:54 X-MAIL: mse01.zte.com.cn x218v9oQ086997 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-shmobile/pm-rcar-gen2.c:77:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function. ./arch/arm/mach-shmobile/pm-rcar-gen2.c:85:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function. ./arch/arm/mach-shmobile/pm-rcar-gen2.c:90:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Simon Horman Cc: Magnus Damm Cc: Russell King Cc: linux-renesas-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Geert Uytterhoeven --- arch/arm/mach-shmobile/pm-rcar-gen2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c index 8c2a205..e84599d 100644 --- a/arch/arm/mach-shmobile/pm-rcar-gen2.c +++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c @@ -72,6 +72,7 @@ void __init rcar_gen2_pm_init(void) } error = of_address_to_resource(np, 0, &res); + of_node_put(np); if (error) { pr_err("Failed to get smp-sram address: %d\n", error); return; From patchwork Fri Mar 1 08:56:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834713 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5DE81180E for ; Fri, 1 Mar 2019 08:57:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4F0842F672 for ; Fri, 1 Mar 2019 08:57:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 42A312F6E9; Fri, 1 Mar 2019 08:57:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EF0242F68E for ; Fri, 1 Mar 2019 08:57:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387584AbfCAI51 (ORCPT ); Fri, 1 Mar 2019 03:57:27 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:60076 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387574AbfCAI50 (ORCPT ); Fri, 1 Mar 2019 03:57:26 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 15771E684883FDA264E8; Fri, 1 Mar 2019 16:57:24 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218vEeK087103; Fri, 1 Mar 2019 16:57:14 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116575305-2499021 ; Fri, 1 Mar 2019 16:57:53 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 09/15] ARM: socfpga: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:50 +0800 Message-Id: <1551430616-42014-9-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:53, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:56:58, Serialize complete at 2019-03-01 16:56:58 X-MAIL: mse01.zte.com.cn x218vEeK087103 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-socfpga/platsmp.c:93:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 85, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Dinh Nguyen Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-socfpga/platsmp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c index 0ee7677..55c2884 100644 --- a/arch/arm/mach-socfpga/platsmp.c +++ b/arch/arm/mach-socfpga/platsmp.c @@ -89,6 +89,7 @@ static void __init socfpga_smp_prepare_cpus(unsigned int max_cpus) } socfpga_scu_base_addr = of_iomap(np, 0); + of_node_put(np); if (!socfpga_scu_base_addr) return; scu_enable(socfpga_scu_base_addr); From patchwork Fri Mar 1 08:56:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834751 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AA4961399 for ; Fri, 1 Mar 2019 08:58:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9BC4C2F672 for ; Fri, 1 Mar 2019 08:58:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8EDD82F6BD; Fri, 1 Mar 2019 08:58:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3EC2F2F672 for ; Fri, 1 Mar 2019 08:58:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387732AbfCAI6A (ORCPT ); Fri, 1 Mar 2019 03:58:00 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:32914 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387703AbfCAI56 (ORCPT ); Fri, 1 Mar 2019 03:57:58 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id D47FC45984B79C16E70C; Fri, 1 Mar 2019 16:57:28 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218vHe7087152; Fri, 1 Mar 2019 16:57:17 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116575609-2499040 ; Fri, 1 Mar 2019 16:57:56 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 10/15] ARM: sunxi: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:51 +0800 Message-Id: <1551430616-42014-10-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:56, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:57:01, Serialize complete at 2019-03-01 16:57:01 X-MAIL: mse01.zte.com.cn x218vHe7087152 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-sunxi/platsmp.c:55:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 46, but without a corresponding object release within this function. ./arch/arm/mach-sunxi/platsmp.c:138:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 129, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Maxime Ripard Cc: Chen-Yu Tsai Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-sunxi/platsmp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-sunxi/platsmp.c b/arch/arm/mach-sunxi/platsmp.c index 8fb5088..c842209 100644 --- a/arch/arm/mach-sunxi/platsmp.c +++ b/arch/arm/mach-sunxi/platsmp.c @@ -50,6 +50,7 @@ static void __init sun6i_smp_prepare_cpus(unsigned int max_cpus) } prcm_membase = of_iomap(node, 0); + of_node_put(node); if (!prcm_membase) { pr_err("Couldn't map A31 PRCM registers\n"); return; @@ -63,6 +64,7 @@ static void __init sun6i_smp_prepare_cpus(unsigned int max_cpus) } cpucfg_membase = of_iomap(node, 0); + of_node_put(node); if (!cpucfg_membase) pr_err("Couldn't map A31 CPU config registers\n"); From patchwork Fri Mar 1 08:56:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834723 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AA2FE180E for ; Fri, 1 Mar 2019 08:57:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 971E22F68E for ; Fri, 1 Mar 2019 08:57:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 892E92F6EB; Fri, 1 Mar 2019 08:57:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1B1F22F68E for ; Fri, 1 Mar 2019 08:57:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387616AbfCAI5e (ORCPT ); Fri, 1 Mar 2019 03:57:34 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:60416 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387574AbfCAI5e (ORCPT ); Fri, 1 Mar 2019 03:57:34 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 0048A6929E0059AF8023; Fri, 1 Mar 2019 16:57:31 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218vKSM087213; Fri, 1 Mar 2019 16:57:20 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116575888-2499047 ; Fri, 1 Mar 2019 16:57:58 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 11/15] ARM: versatile: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:52 +0800 Message-Id: <1551430616-42014-11-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:57:58, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:57:04, Serialize complete at 2019-03-01 16:57:04 X-MAIL: mse01.zte.com.cn x218vKSM087213 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-versatile/versatile_dt.c:315:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 302, but without a corresponding object release within this function. ./arch/arm/mach-versatile/versatile_dt.c:320:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 302, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Linus Walleij Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-versatile/versatile_dt.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-versatile/versatile_dt.c b/arch/arm/mach-versatile/versatile_dt.c index e9d6068..028463a 100644 --- a/arch/arm/mach-versatile/versatile_dt.c +++ b/arch/arm/mach-versatile/versatile_dt.c @@ -312,12 +312,12 @@ static void __init versatile_dt_pci_init(void) * driver had it so we will keep it. */ writel(1, versatile_sys_base + VERSATILE_SYS_PCICTL_OFFSET); - return; + goto out_put_node; } newprop = kzalloc(sizeof(*newprop), GFP_KERNEL); if (!newprop) - return; + goto out_put_node; newprop->name = kstrdup("status", GFP_KERNEL); newprop->value = kstrdup("disabled", GFP_KERNEL); @@ -325,6 +325,9 @@ static void __init versatile_dt_pci_init(void) of_update_property(np, newprop); pr_info("Not plugged into PCI backplane!\n"); + +out_put_node: + of_node_put(np); } static void __init versatile_dt_init(void) From patchwork Fri Mar 1 08:56:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834749 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 548D3180E for ; Fri, 1 Mar 2019 08:58:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 461352F6BD for ; Fri, 1 Mar 2019 08:58:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 396D42F68E; Fri, 1 Mar 2019 08:58:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D7AE52F6BD for ; Fri, 1 Mar 2019 08:58:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387435AbfCAI6F (ORCPT ); Fri, 1 Mar 2019 03:58:05 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:32992 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387745AbfCAI6D (ORCPT ); Fri, 1 Mar 2019 03:58:03 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 031C5A193DAC80C7A1AD; Fri, 1 Mar 2019 16:57:34 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218vMM0087267; Fri, 1 Mar 2019 16:57:22 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116580173-2499064 ; Fri, 1 Mar 2019 16:58:01 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 12/15] ARM: vexpress: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:53 +0800 Message-Id: <1551430616-42014-12-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:58:01, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:57:07, Serialize complete at 2019-03-01 16:57:07 X-MAIL: mse01.zte.com.cn x218vMM0087267 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-vexpress/dcscb.c:150:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function. ./arch/arm/mach-vexpress/dcscb.c:160:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function. ./arch/arm/mach-vexpress/dcscb.c:171:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Liviu Dudau Cc: Sudeep Holla Cc: Lorenzo Pieralisi Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Acked-by: Sudeep Holla --- arch/arm/mach-vexpress/dcscb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-vexpress/dcscb.c b/arch/arm/mach-vexpress/dcscb.c index ee2a0fa..aaade91 100644 --- a/arch/arm/mach-vexpress/dcscb.c +++ b/arch/arm/mach-vexpress/dcscb.c @@ -146,6 +146,7 @@ static int __init dcscb_init(void) if (!node) return -ENODEV; dcscb_base = of_iomap(node, 0); + of_node_put(node); if (!dcscb_base) return -EADDRNOTAVAIL; cfg = readl_relaxed(dcscb_base + DCS_CFG_R); From patchwork Fri Mar 1 08:56:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834753 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 376EC17E9 for ; Fri, 1 Mar 2019 08:58:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2808D2F68E for ; Fri, 1 Mar 2019 08:58:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1AEA72F6E1; Fri, 1 Mar 2019 08:58:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C251E2F68E for ; Fri, 1 Mar 2019 08:58:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387524AbfCAI55 (ORCPT ); Fri, 1 Mar 2019 03:57:57 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:32812 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733163AbfCAI55 (ORCPT ); Fri, 1 Mar 2019 03:57:57 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id C901A83C311E510B0053; Fri, 1 Mar 2019 16:57:38 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218vPvD087309; Fri, 1 Mar 2019 16:57:25 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116580410-2499072 ; Fri, 1 Mar 2019 16:58:04 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 13/15] ARM: zynq: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:54 +0800 Message-Id: <1551430616-42014-13-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:58:04, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:57:09, Serialize complete at 2019-03-01 16:57:09 X-MAIL: mse01.zte.com.cn x218vPvD087309 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-zynq/common.c:89:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 80, but without a corresponding object release within this function. ./arch/arm/mach-zynq/common.c:98:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 80, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Russell King Cc: Michal Simek Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-zynq/common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c index 6aba9eb..a8b1b9c 100644 --- a/arch/arm/mach-zynq/common.c +++ b/arch/arm/mach-zynq/common.c @@ -84,6 +84,7 @@ static int __init zynq_get_revision(void) } zynq_devcfg_base = of_iomap(np, 0); + of_node_put(np); if (!zynq_devcfg_base) { pr_err("%s: Unable to map I/O memory\n", __func__); return -1; From patchwork Fri Mar 1 08:56:55 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834757 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8B01F180E for ; Fri, 1 Mar 2019 08:58:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7C4632F672 for ; Fri, 1 Mar 2019 08:58:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 700BC2F68E; Fri, 1 Mar 2019 08:58:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 26A962F6BD for ; Fri, 1 Mar 2019 08:58:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387578AbfCAI6N (ORCPT ); Fri, 1 Mar 2019 03:58:13 -0500 Received: from out1.zte.com.cn ([202.103.147.172]:33176 "EHLO mxct.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387546AbfCAI6N (ORCPT ); Fri, 1 Mar 2019 03:58:13 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 47EEFEA8356A865F93A0; Fri, 1 Mar 2019 16:57:40 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218vRpU087389; Fri, 1 Mar 2019 16:57:27 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116580665-2499079 ; Fri, 1 Mar 2019 16:58:06 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 14/15] arm64: cpu_ops: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:55 +0800 Message-Id: <1551430616-42014-14-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:58:06, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:57:12, Serialize complete at 2019-03-01 16:57:12 X-MAIL: mse01.zte.com.cn x218vRpU087389 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm64/kernel/cpu_ops.c:102:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 69, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Catalin Marinas Cc: Will Deacon Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm64/kernel/cpu_ops.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kernel/cpu_ops.c b/arch/arm64/kernel/cpu_ops.c index ea00124..00f8b86 100644 --- a/arch/arm64/kernel/cpu_ops.c +++ b/arch/arm64/kernel/cpu_ops.c @@ -85,6 +85,7 @@ static const char *__init cpu_read_enable_method(int cpu) pr_err("%pOF: missing enable-method property\n", dn); } + of_node_put(dn); } else { enable_method = acpi_get_enable_method(cpu); if (!enable_method) { From patchwork Fri Mar 1 08:56:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834731 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 39FCF17E9 for ; Fri, 1 Mar 2019 08:57:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 287502F672 for ; Fri, 1 Mar 2019 08:57:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1C5E12F6E1; Fri, 1 Mar 2019 08:57:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B7FE92F672 for ; Fri, 1 Mar 2019 08:57:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732630AbfCAI5o (ORCPT ); Fri, 1 Mar 2019 03:57:44 -0500 Received: from mxhk.zte.com.cn ([63.217.80.70]:64990 "EHLO mxhk.zte.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733163AbfCAI5o (ORCPT ); Fri, 1 Mar 2019 03:57:44 -0500 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id C29D6D8B7D8DE248F00F; Fri, 1 Mar 2019 16:57:41 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218vUSR087466; Fri, 1 Mar 2019 16:57:30 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116580955-2499096 ; Fri, 1 Mar 2019 16:58:09 +0800 From: Wen Yang To: liviu.dudau@arm.com Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com, afaerber@suse.de, manivannan.sadhasivam@linaro.org, dinguyen@kernel.org, heiko@sntech.de, linux-rockchip@lists.infradead.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org, avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com, yuenn@google.com, brendanhiggins@google.com, openbmc@lists.ozlabs.org, xuwei5@hisilicon.com, maxime.ripard@bootlin.com, wens@csie.org, catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, Wen Yang Subject: [PATCH 15/15] ARM: axxia: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:56 +0800 Message-Id: <1551430616-42014-15-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:58:09, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:57:15, Serialize complete at 2019-03-01 16:57:15 X-MAIL: mse01.zte.com.cn x218vUSR087466 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-axxia/platsmp.c:46:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 40, but without a corresponding object release within this function. ./arch/arm/mach-axxia/platsmp.c:53:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 40, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-axxia/platsmp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-axxia/platsmp.c b/arch/arm/mach-axxia/platsmp.c index 502e3df..c706a11 100644 --- a/arch/arm/mach-axxia/platsmp.c +++ b/arch/arm/mach-axxia/platsmp.c @@ -42,6 +42,7 @@ static int axxia_boot_secondary(unsigned int cpu, struct task_struct *idle) return -ENOENT; syscon = of_iomap(syscon_np, 0); + of_node_put(syscon_np); if (!syscon) return -ENOMEM;