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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 C784DC43603 for ; Tue, 10 Dec 2019 21:05:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9074E2465C for ; Tue, 10 Dec 2019 21:05:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576011900; bh=6Ap/4dLrJtbhgDZjWBk601+fL/rDqhvc0pmlWurQAGU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=RBiGEnuNs+R6heJcp3swMLqOda7Iz7kWMLz79Lb6Jc1LXbJukiVBG4+u4qHJDCWXN FJkPAly14BJB8acYQa3LKsR7a0qzg03d+EkKkrrsEXd8PmPySVSU72HVoet9BNW2UM Q0GVF8TQYwJdMA8kwdxL2n7ed+2OHWYlXqpH2t+s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727634AbfLJVE7 (ORCPT ); Tue, 10 Dec 2019 16:04:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:50152 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727560AbfLJVEu (ORCPT ); Tue, 10 Dec 2019 16:04:50 -0500 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 7E48D24681; Tue, 10 Dec 2019 21:04:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576011890; bh=6Ap/4dLrJtbhgDZjWBk601+fL/rDqhvc0pmlWurQAGU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oOyS89ElagNQGSu42plTzFStjAoaqFVNSjnWNgzXnsPrT1ZHR+zvLcAuU6A3Ppywu iIgXX+HEtO42QoKbf2UuAlZPKUvetg5pUKOr1jRPdUmtX7S6kMxcmD32OT5Zi7VP/0 J6GoeS5emywo8MLFNXJAd6KwVoYZEAdSAhA9rPuc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Janusz Krzysztofik , Sakari Ailus , Mauro Carvalho Chehab , Sasha Levin , linux-media@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 040/350] media: ov6650: Fix control handler not freed on init error Date: Tue, 10 Dec 2019 15:58:52 -0500 Message-Id: <20191210210402.8367-40-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210210402.8367-1-sashal@kernel.org> References: <20191210210402.8367-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Janusz Krzysztofik [ Upstream commit c404af950d14b71bfbf574a752b6c29d726baaba ] Since commit afd9690c72c3 ("[media] ov6650: convert to the control framework"), if an error occurs during initialization of a control handler, resources possibly allocated to the handler are not freed before device initialiaton is aborted. Fix it. Fixes: afd9690c72c3 ("[media] ov6650: convert to the control framework") Signed-off-by: Janusz Krzysztofik Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/i2c/ov6650.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c index 5b9af5e5b7f13..68776b0710f98 100644 --- a/drivers/media/i2c/ov6650.c +++ b/drivers/media/i2c/ov6650.c @@ -989,8 +989,10 @@ static int ov6650_probe(struct i2c_client *client, V4L2_CID_GAMMA, 0, 0xff, 1, 0x12); priv->subdev.ctrl_handler = &priv->hdl; - if (priv->hdl.error) - return priv->hdl.error; + if (priv->hdl.error) { + ret = priv->hdl.error; + goto ectlhdlfree; + } v4l2_ctrl_auto_cluster(2, &priv->autogain, 0, true); v4l2_ctrl_auto_cluster(3, &priv->autowb, 0, true); @@ -1008,8 +1010,10 @@ static int ov6650_probe(struct i2c_client *client, priv->subdev.internal_ops = &ov6650_internal_ops; ret = v4l2_async_register_subdev(&priv->subdev); - if (ret) - v4l2_ctrl_handler_free(&priv->hdl); + if (!ret) + return 0; +ectlhdlfree: + v4l2_ctrl_handler_free(&priv->hdl); return ret; } -- 2.20.1