From patchwork Wed Feb 27 04:40:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10831097 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 EA942922 for ; Wed, 27 Feb 2019 04:41:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D430F2D316 for ; Wed, 27 Feb 2019 04:41:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C5CBF2D31F; Wed, 27 Feb 2019 04:41:47 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 23E2D2D316 for ; 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Wed, 27 Feb 2019 04:41:41 +0000 Received: from mxhk.zte.com.cn ([63.217.80.70]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gyr1X-0004ld-TH; Wed, 27 Feb 2019 04:40:54 +0000 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 5D10086307C4E05DC5FE; Wed, 27 Feb 2019 12:40:46 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x1R4eduq003660; Wed, 27 Feb 2019 12:40:39 +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 2019022712405994-2029110 ; Wed, 27 Feb 2019 12:40:59 +0800 From: Wen Yang To: benh@kernel.crashing.org Subject: [PATCH 3/8] PCI: dwc: layerscape: fix a leaked reference by adding missing of_node_put Date: Wed, 27 Feb 2019 12:40:38 +0800 Message-Id: <1551242443-27300-3-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551242443-27300-1-git-send-email-wen.yang99@zte.com.cn> References: <1551242443-27300-1-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 2019-02-27 12:41:00, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-02-27 12:40:31, Serialize complete at 2019-02-27 12:40:31 X-MAIL: mse01.zte.com.cn x1R4eduq003660 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190226_204052_100582_57EB139B X-CRM114-Status: GOOD ( 10.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: heiko@sntech.de, hayashi.kunihiko@socionext.com, linux-pci@vger.kernel.org, shawn.lin@rock-chips.com, minghuan.Lian@nxp.com, paulus@samba.org, thomas.petazzoni@bootlin.com, Wen Yang , ryder.lee@mediatek.com, mpe@ellerman.id.au, kishon@ti.com, linux-rockchip@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org, wang.yi59@zte.com.cn, rjui@broadcom.com, lorenzo.pieralisi@arm.com, linux-mediatek@lists.infradead.org, tyreld@linux.vnet.ibm.com, matthias.bgg@gmail.com, linux-omap@vger.kernel.org, mingkai.hu@nxp.com, roy.zang@nxp.com, sbranden@broadcom.com, yamada.masahiro@socionext.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, bhelgaas@google.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_parse_phandle 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/pci/controller/dwc/pci-layerscape.c:204:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 198, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Minghuan Lian Cc: Mingkai Hu Cc: Roy Zang Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-pci@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/pci/controller/dwc/pci-layerscape.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/controller/dwc/pci-layerscape.c b/drivers/pci/controller/dwc/pci-layerscape.c index ce45bde2..3a5fa26 100644 --- a/drivers/pci/controller/dwc/pci-layerscape.c +++ b/drivers/pci/controller/dwc/pci-layerscape.c @@ -201,6 +201,7 @@ static int ls_pcie_msi_host_init(struct pcie_port *pp) return -EINVAL; } + of_node_put(msi_node); return 0; }