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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 35875C433DF for ; Sun, 18 Oct 2020 19:22:31 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 E20B620791 for ; Sun, 18 Oct 2020 19:22:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="aGTqxEP1"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="LY1Ksod5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E20B620791 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+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=merlin.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=XKrCaISJ0sPzy/WN893w/1L2R4hNq4DrNHdqtqQvhFQ=; b=aGTqxEP1jp11Ypp/uivqmZHU1 Y1wySAqx3uqY46YKDW3ygQgfyw5DttL/2PwI151HzjfsbrZw1W9m6gLSeRFMLVTlMlPNp0AdVu+gu jwokryT91EGUzAjz7kKmjclPXORN9KkrXyegMDgYq1BNm69XsJN9yN2aNjOG+Qnq+NEg7eOCqAi+H 6ppd0RG2zhzu1Q9Y0YIDHYsZONb17KUi9lIFoH0nQGQWeLjZy9iXu/XRii+qDqrJuYQ+c+bRMFOVk OQl/CvWCAlbg0L5FFA08gdjQfqUTsdPH6/z6r2o9RfQsyfBJLhLNPkwpPNRUD+VHq+n8wCoT5sX0y IYgt6n9gw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kUEEk-0007Cs-MI; Sun, 18 Oct 2020 19:20:59 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kUEEU-00072z-AJ for linux-arm-kernel@lists.infradead.org; Sun, 18 Oct 2020 19:20:45 +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 23D02222E7; Sun, 18 Oct 2020 19:20:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603048841; bh=Buv2dVNq0Tkli/0x+OUC2acHwZGGA/Z5YDjL+nyPK8I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LY1Ksod5gSTFV6b5qNVE9id6FWX3P9mijEa3Zl1d++jk823/b6CgwXaBGJCEKzV4b QIm2ZImfpXox/etbdiwUTzAMHTpb3vfOtsDCDf6X8zJMxtGfgP4WRmyV1denFwRh+g lmydbHih4kgSlO0e7WwjzI3YiymfNzWsE5isQrH0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.8 011/101] media: exynos4-is: Fix several reference count leaks due to pm_runtime_get_sync Date: Sun, 18 Oct 2020 15:18:56 -0400 Message-Id: <20201018192026.4053674-11-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201018192026.4053674-1-sashal@kernel.org> References: <20201018192026.4053674-1-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-20201018_152042_482258_E35B0D35 X-CRM114-Status: GOOD ( 16.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , linux-samsung-soc@vger.kernel.org, Mauro Carvalho Chehab , Qiushi Wu , Hans Verkuil , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Qiushi Wu [ Upstream commit 7ef64ceea0008c17e94a8a2c60c5d6d46f481996 ] On calling pm_runtime_get_sync() the reference count of the device is incremented. In case of failure, decrement the reference count before returning the error. Signed-off-by: Qiushi Wu Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/platform/exynos4-is/fimc-isp.c | 4 +++- drivers/media/platform/exynos4-is/fimc-lite.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c b/drivers/media/platform/exynos4-is/fimc-isp.c index cde0d254ec1c4..a77c49b185115 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp.c +++ b/drivers/media/platform/exynos4-is/fimc-isp.c @@ -305,8 +305,10 @@ static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on) if (on) { ret = pm_runtime_get_sync(&is->pdev->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put(&is->pdev->dev); return ret; + } set_bit(IS_ST_PWR_ON, &is->state); ret = fimc_is_start_firmware(is); diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index 394e0818f2d5c..92130d7791378 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -470,7 +470,7 @@ static int fimc_lite_open(struct file *file) set_bit(ST_FLITE_IN_USE, &fimc->state); ret = pm_runtime_get_sync(&fimc->pdev->dev); if (ret < 0) - goto unlock; + goto err_pm; ret = v4l2_fh_open(file); if (ret < 0) -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel