From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B64F1C10F11 for ; Mon, 22 Apr 2019 19:46:52 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 81177218FD for ; Mon, 22 Apr 2019 19:46:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QH5DtdMv"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="z91TcXDm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 81177218FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=el8GY7gOuYM+ltaVlHeXo9STADZP6Vf9FikHzed9GaY=; b=QH5DtdMv9zIEVO u7V4ZvqhtJfo3oiO7D0eoEJq0bmL6SiR5EU5JaxpGsYmTrBtSfVEb/KG/gE8xhS4L4gf4bcGIkwPE vSjbzV3QB/7kWRXdFEXJF32Lpv3rSDkhXsLmsyUtAITKJs8Ivplh77lz4owNbYrhMdVvs0GGXO/s+ Q5PepPZOwj1NYWP5aQAUQaCmr50ISZNoEBMXrBj0JQBFnDGRVls0sdo6pO67CjQVC3mRrb4hU25/V WsnHAc7MUs1W9z25AhMch3A4eoQTs5OCeDl9IJTsAu/v5d6HQoQSzd9cmU4i0ShyQ3xPLXvwC+DJ4 NGYoPYmyHmNdVgv7fd6Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hIetq-0003hL-GZ; Mon, 22 Apr 2019 19:46:46 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hIetn-0003gX-Ln for linux-arm-kernel@lists.infradead.org; Mon, 22 Apr 2019 19:46:44 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3F8B2218B0; Mon, 22 Apr 2019 19:46:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555962403; bh=lh7/hqBDOSdppTeB+u46RAISh7CCRaEAXEB4mSJT/p4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z91TcXDm6dURfVVf8KZjrzaws5qfCIES3mFkrkg5MrKefZvL36S11j0iKNJMMQKHm URIfWHc5OYChjlCLQlK2xP3bE5s2g7XZM8mwzB6iuCgerRMQ4Dm53811oPtW07y311 eQCQUjXKHb2nWgjF+qTxVJKughK8x+3C01P5ouAQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 40/68] net: xilinx: fix possible object reference leak Date: Mon, 22 Apr 2019 15:44:48 -0400 Message-Id: <20190422194516.11634-40-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190422194516.11634-1-sashal@kernel.org> References: <20190422194516.11634-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190422_124643_725536_F59B053C X-CRM114-Status: GOOD ( 10.57 ) 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: Sasha Levin , netdev@vger.kernel.org, Michal Simek , Wen Yang , Anirudha Sarangi , John Linn , "David S. Miller" , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Wen Yang [ Upstream commit fa3a419d2f674b431d38748cb58fb7da17ee8949 ] 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/net/ethernet/xilinx/xilinx_axienet_main.c:1624:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 1569, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Anirudha Sarangi Cc: John Linn Cc: "David S. Miller" Cc: Michal Simek Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller Signed-off-by: Sasha Levin (Microsoft) --- drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index f24f48f33802..7cfd7ff38e86 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1574,12 +1574,14 @@ static int axienet_probe(struct platform_device *pdev) ret = of_address_to_resource(np, 0, &dmares); if (ret) { dev_err(&pdev->dev, "unable to get DMA resource\n"); + of_node_put(np); goto free_netdev; } lp->dma_regs = devm_ioremap_resource(&pdev->dev, &dmares); if (IS_ERR(lp->dma_regs)) { dev_err(&pdev->dev, "could not map DMA regs\n"); ret = PTR_ERR(lp->dma_regs); + of_node_put(np); goto free_netdev; } lp->rx_irq = irq_of_parse_and_map(np, 1); -- 2.19.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel