From patchwork Thu May 30 03:04:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 10968189 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 280521575 for ; Thu, 30 May 2019 04:25:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 15B4928A3D for ; Thu, 30 May 2019 04:25:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 059EF28AA4; Thu, 30 May 2019 04:25:11 +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,DKIM_SIGNED, DKIM_VALID,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 9EE0128A3D for ; Thu, 30 May 2019 04:25:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730232AbfE3EZF (ORCPT ); Thu, 30 May 2019 00:25:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:35654 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729984AbfE3DOr (ORCPT ); Wed, 29 May 2019 23:14:47 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A31F024559; Thu, 30 May 2019 03:14:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186086; bh=wu2UiETOHpDMk85zi6HmzdGCjZjRP7IcwSTkCaWKgdI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lNrA6+RjuseYm6PubStO10htadKioNOWqR3sC76NkCXLBM2uDhnwdPnvGjGRqkOUF k67Pb3wLTvuMlyMadwmlORocNNjJPDBhQgRkBm2bmLYRpL36ZDmSELcQU65Qf9eYxZ utzAqfHCrnpbd+6qwJAdqb6y5Kmj8D9P9eWYlQf8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wen Yang , "Rafael J. Wysocki" , Viresh Kumar , linux-pm@vger.kernel.org, Sasha Levin Subject: [PATCH 5.0 206/346] cpufreq: ppc_cbe: fix possible object reference leak Date: Wed, 29 May 2019 20:04:39 -0700 Message-Id: <20190530030551.578361464@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.363386121@linuxfoundation.org> References: <20190530030540.363386121@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP [ Upstream commit 233298032803f2802fe99892d0de4ab653bfece4 ] The call to of_get_cpu_node returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./drivers/cpufreq/ppc_cbe_cpufreq.c:89:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 76, but without a corresponding object release within this function. ./drivers/cpufreq/ppc_cbe_cpufreq.c:89:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 76, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: "Rafael J. Wysocki" Cc: Viresh Kumar Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- drivers/cpufreq/ppc_cbe_cpufreq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpufreq/ppc_cbe_cpufreq.c b/drivers/cpufreq/ppc_cbe_cpufreq.c index 41a0f0be3f9ff..8414c3a4ea08c 100644 --- a/drivers/cpufreq/ppc_cbe_cpufreq.c +++ b/drivers/cpufreq/ppc_cbe_cpufreq.c @@ -86,6 +86,7 @@ static int cbe_cpufreq_cpu_init(struct cpufreq_policy *policy) if (!cbe_get_cpu_pmd_regs(policy->cpu) || !cbe_get_cpu_mic_tm_regs(policy->cpu)) { pr_info("invalid CBE regs pointers for cpufreq\n"); + of_node_put(cpu); return -EINVAL; } From patchwork Thu May 30 03:04:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 10968187 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 31E9B1398 for ; Thu, 30 May 2019 04:24:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2374728A3D for ; Thu, 30 May 2019 04:24:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 174B828AA4; Thu, 30 May 2019 04:24:24 +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,DKIM_SIGNED, DKIM_VALID,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 A541E28A3D for ; Thu, 30 May 2019 04:24:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730087AbfE3EYO (ORCPT ); Thu, 30 May 2019 00:24:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:36244 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730032AbfE3DOx (ORCPT ); Wed, 29 May 2019 23:14:53 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C0DBB2455E; Thu, 30 May 2019 03:14:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186092; bh=vbT6JzcrqgZfDANvgbazIhs61L2kvqOjhh2SjOsVIHQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qZntrzre6f1GpkTrmmPDnichXqQXODvA4CN0rXxIlOvcOlfbKOc0nwwvB92CBJNg2 NH5GSGFiykOfeUluG7+Vd2YpzTbEE4mn6ca/pXCFFrlgPINpbPckkQlnjtCAo9Kujj 5t6iv6YA37hrLXNLl2GGq0d7iu+wJ7uqNgRlgJz4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wen Yang , "Rafael J. Wysocki" , Viresh Kumar , linuxppc-dev@lists.ozlabs.org, linux-pm@vger.kernel.org, Sasha Levin Subject: [PATCH 5.0 207/346] cpufreq/pasemi: fix possible object reference leak Date: Wed, 29 May 2019 20:04:40 -0700 Message-Id: <20190530030551.623981607@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.363386121@linuxfoundation.org> References: <20190530030540.363386121@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP [ Upstream commit a9acc26b75f652f697e02a9febe2ab0da648a571 ] The call to of_get_cpu_node returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./drivers/cpufreq/pasemi-cpufreq.c:212:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 147, but without a corresponding object release within this function. ./drivers/cpufreq/pasemi-cpufreq.c:220:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 147, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: "Rafael J. Wysocki" Cc: Viresh Kumar Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- drivers/cpufreq/pasemi-cpufreq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c index 75dfbd2a58ea6..c7710c149de85 100644 --- a/drivers/cpufreq/pasemi-cpufreq.c +++ b/drivers/cpufreq/pasemi-cpufreq.c @@ -146,6 +146,7 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) cpu = of_get_cpu_node(policy->cpu, NULL); + of_node_put(cpu); if (!cpu) goto out; From patchwork Thu May 30 03:04:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 10968185 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 26F6A1398 for ; Thu, 30 May 2019 04:23:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 130DE28AA1 for ; Thu, 30 May 2019 04:23:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 035BD28AA7; Thu, 30 May 2019 04:23:42 +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,DKIM_SIGNED, DKIM_VALID,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 8B05428AA1 for ; Thu, 30 May 2019 04:23:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730051AbfE3DPB (ORCPT ); Wed, 29 May 2019 23:15:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:36672 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728321AbfE3DPA (ORCPT ); Wed, 29 May 2019 23:15:00 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5693E24579; Thu, 30 May 2019 03:14:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186099; bh=cYj6tGVRkcCfyzn1WMPn2V4eRoSHbAJSj6gDIu0hjcw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EVXqANYtI6cG03JA8u8S0PI/qxZ2fWsE+xsh8JaEnitfZ7NYjgQy+ehT1h6wYk+sM b5Yjv78X9AnBJ0IQIxw53hR/rE/KMNuKJN02HkVnT7prlgJmUpKtHOan31D3sTpVBR 5bemLGJWEPkP+nQliBZDhqXpmvxbEB5YmhJv/4sg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wen Yang , "Rafael J. Wysocki" , Viresh Kumar , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linux-pm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Sasha Levin Subject: [PATCH 5.0 208/346] cpufreq: pmac32: fix possible object reference leak Date: Wed, 29 May 2019 20:04:41 -0700 Message-Id: <20190530030551.670288965@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.363386121@linuxfoundation.org> References: <20190530030540.363386121@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP [ Upstream commit 8d10dc28a9ea6e8c02e825dab28699f3c72b02d9 ] The call to of_find_node_by_name returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./drivers/cpufreq/pmac32-cpufreq.c:557:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 552, but without a corresponding object release within this function. ./drivers/cpufreq/pmac32-cpufreq.c:569:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 552, but without a corresponding object release within this function. ./drivers/cpufreq/pmac32-cpufreq.c:598:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 587, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: "Rafael J. Wysocki" Cc: Viresh Kumar Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Cc: linux-pm@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- drivers/cpufreq/pmac32-cpufreq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c index 52f0d91d30c17..9b4ce2eb8222c 100644 --- a/drivers/cpufreq/pmac32-cpufreq.c +++ b/drivers/cpufreq/pmac32-cpufreq.c @@ -552,6 +552,7 @@ static int pmac_cpufreq_init_7447A(struct device_node *cpunode) volt_gpio_np = of_find_node_by_name(NULL, "cpu-vcore-select"); if (volt_gpio_np) voltage_gpio = read_gpio(volt_gpio_np); + of_node_put(volt_gpio_np); if (!voltage_gpio){ pr_err("missing cpu-vcore-select gpio\n"); return 1; @@ -588,6 +589,7 @@ static int pmac_cpufreq_init_750FX(struct device_node *cpunode) if (volt_gpio_np) voltage_gpio = read_gpio(volt_gpio_np); + of_node_put(volt_gpio_np); pvr = mfspr(SPRN_PVR); has_cpu_l2lve = !((pvr & 0xf00) == 0x100); From patchwork Thu May 30 03:04:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 10968183 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 EF8A8912 for ; Thu, 30 May 2019 04:22:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E126B28A3D for ; Thu, 30 May 2019 04:22:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D480328AA4; Thu, 30 May 2019 04:22:47 +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,DKIM_SIGNED, DKIM_VALID,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 503D728A3D for ; Thu, 30 May 2019 04:22:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729665AbfE3EWi (ORCPT ); Thu, 30 May 2019 00:22:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:37054 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730100AbfE3DPF (ORCPT ); Wed, 29 May 2019 23:15:05 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7337024595; Thu, 30 May 2019 03:15:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186104; bh=KFjWdcM0j1PIjGo1SD5vVsinYegNqV/OwabGD7l4Pfo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Pq5rW2Cxe4u1bomJp/fvhgQbmHXyVVlHJQoFi3v2yq97ugK/RH7zSNz5Fjq5U2aXC +/CsUkV3sIdFaMZECOHvWfo/4UUs8QMF9/nCBzevz9w0Rpie9BngF+r/1UBQHF7zBH WUEM/I0ZPcLNB/36vA8EPonitOHaipfdhKpKhqPA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wen Yang , "Rafael J. Wysocki" , Viresh Kumar , linux-pm@vger.kernel.org, Sasha Levin Subject: [PATCH 5.0 209/346] cpufreq: kirkwood: fix possible object reference leak Date: Wed, 29 May 2019 20:04:42 -0700 Message-Id: <20190530030551.716687141@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.363386121@linuxfoundation.org> References: <20190530030540.363386121@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP [ Upstream commit 7c468966f05ac9c17bb5948275283d34e6fe0660 ] The call to of_get_child_by_name returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./drivers/cpufreq/kirkwood-cpufreq.c:127:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 118, but without a corresponding object release within this function. ./drivers/cpufreq/kirkwood-cpufreq.c:133:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 118, but without a corresponding object release within this function. and also do some cleanup: - of_node_put(np); - np = NULL; ... of_node_put(np); Signed-off-by: Wen Yang Cc: "Rafael J. Wysocki" Cc: Viresh Kumar Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- drivers/cpufreq/kirkwood-cpufreq.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c index c2dd43f3f5d8a..8d63a6dc8383c 100644 --- a/drivers/cpufreq/kirkwood-cpufreq.c +++ b/drivers/cpufreq/kirkwood-cpufreq.c @@ -124,13 +124,14 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) priv.cpu_clk = of_clk_get_by_name(np, "cpu_clk"); if (IS_ERR(priv.cpu_clk)) { dev_err(priv.dev, "Unable to get cpuclk\n"); - return PTR_ERR(priv.cpu_clk); + err = PTR_ERR(priv.cpu_clk); + goto out_node; } err = clk_prepare_enable(priv.cpu_clk); if (err) { dev_err(priv.dev, "Unable to prepare cpuclk\n"); - return err; + goto out_node; } kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000; @@ -161,20 +162,22 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) goto out_ddr; } - of_node_put(np); - np = NULL; - err = cpufreq_register_driver(&kirkwood_cpufreq_driver); - if (!err) - return 0; + if (err) { + dev_err(priv.dev, "Failed to register cpufreq driver\n"); + goto out_powersave; + } - dev_err(priv.dev, "Failed to register cpufreq driver\n"); + of_node_put(np); + return 0; +out_powersave: clk_disable_unprepare(priv.powersave_clk); out_ddr: clk_disable_unprepare(priv.ddr_clk); out_cpu: clk_disable_unprepare(priv.cpu_clk); +out_node: of_node_put(np); return err; From patchwork Thu May 30 03:04:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 10968181 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 6C7921575 for ; Thu, 30 May 2019 04:22:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5A55828A3D for ; Thu, 30 May 2019 04:22:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4CE5628AA4; Thu, 30 May 2019 04:22:23 +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,DKIM_SIGNED, DKIM_VALID,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 431FA28A3D for ; Thu, 30 May 2019 04:22:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731248AbfE3EWF (ORCPT ); Thu, 30 May 2019 00:22:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:37334 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730137AbfE3DPJ (ORCPT ); Wed, 29 May 2019 23:15:09 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1BDED2458C; Thu, 30 May 2019 03:15:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186109; bh=VJJ2PuPVWHqol+6SIVNX2fP7TlmgBiJL/thsn/56aRc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cqc5PB8KIwfbhqNqd9dVqIOjJP4WN+11NZ3g1vJyXahzz2NEiIb/oDcjcatSk6w40 DAmHAi01VbGcsMR/QG9iIfrSGUd08tOB8QJ/hzZqG2MdbhKIDqVpT57igcmPVEm3rq HLrUXgwYYm4hAuKJcMNqLXMPr8V2apUYzg5Dzua0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wen Yang , "Rafael J. Wysocki" , Viresh Kumar , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sasha Levin Subject: [PATCH 5.0 210/346] cpufreq: imx6q: fix possible object reference leak Date: Wed, 29 May 2019 20:04:43 -0700 Message-Id: <20190530030551.765653896@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.363386121@linuxfoundation.org> References: <20190530030540.363386121@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP [ Upstream commit ddb64c5db3cc8fb9c1242214d5798b2c2865681c ] The call to of_node_get returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./drivers/cpufreq/imx6q-cpufreq.c:391:4-10: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 348, but without a corresponding object release within this function. ./drivers/cpufreq/imx6q-cpufreq.c:395:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 348, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: "Rafael J. Wysocki" Cc: Viresh Kumar Cc: Shawn Guo Cc: Sascha Hauer Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: NXP Linux Team Cc: linux-pm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- drivers/cpufreq/imx6q-cpufreq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 9fedf627e000d..3ee55aee5d71a 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -407,11 +407,11 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) ret = imx6ul_opp_check_speed_grading(cpu_dev); if (ret) { if (ret == -EPROBE_DEFER) - return ret; + goto put_node; dev_err(cpu_dev, "failed to read ocotp: %d\n", ret); - return ret; + goto put_node; } } else { imx6q_opp_check_speed_grading(cpu_dev);