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,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 08E0FC169C4 for ; Mon, 11 Feb 2019 15:17:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4C5F222A7 for ; Mon, 11 Feb 2019 15:17:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549898254; bh=fFJibmgSILS/DcPIe3IGC1YzfhasSNeNQUeNxHymAeI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=PnIBhiTRQ1gFPVYHslqXRbIC5JIs8tqjErNMm80KP6EIuCkd1XFmcD5wmuZAgse+5 Djl9D79mbFQTLK/2m8egC9A8JqGiIT3zEzuF4rkedillw13Qx1UHPF4axGo4Y4TYBA iTVq2rCkzTrsl986FmVre25ADJ31xth6CeXWAaJ8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391102AbfBKPF4 (ORCPT ); Mon, 11 Feb 2019 10:05:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:55350 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391095AbfBKPFy (ORCPT ); Mon, 11 Feb 2019 10:05:54 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (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 61ABE222B0; Mon, 11 Feb 2019 15:05:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549897553; bh=fFJibmgSILS/DcPIe3IGC1YzfhasSNeNQUeNxHymAeI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GdKBfoLeEMEx5SA28lduDoN6YtRhJvG7r4NpczOoJAsm1bMH1xI+WIMzkMSz+6N6f B9mDBcMgPmQNhUTn+6gxEYn0bXLKQQrtsth+fKpptk0MbVsfzvjL/chTn4RjxixafL vAmn7bydLiuqoZrZKzqYN3pKsS4lLqyVQZs2QMK4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexey Khoroshilov , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 4.9 036/137] media: DaVinci-VPBE: fix error handling in vpbe_initialize() Date: Mon, 11 Feb 2019 15:18:37 +0100 Message-Id: <20190211141815.334194002@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190211141811.964925535@linuxfoundation.org> References: <20190211141811.964925535@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit aa35dc3c71950e3fec3e230c06c27c0fbd0067f8 ] If vpbe_set_default_output() or vpbe_set_default_mode() fails, vpbe_initialize() returns error code without releasing resources. The patch adds error handling for that case. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/platform/davinci/vpbe.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c index 9a6c2cc38acb..abce9c4a1a8e 100644 --- a/drivers/media/platform/davinci/vpbe.c +++ b/drivers/media/platform/davinci/vpbe.c @@ -753,7 +753,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev) if (ret) { v4l2_err(&vpbe_dev->v4l2_dev, "Failed to set default output %s", def_output); - return ret; + goto fail_kfree_amp; } printk(KERN_NOTICE "Setting default mode to %s\n", def_mode); @@ -761,12 +761,15 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev) if (ret) { v4l2_err(&vpbe_dev->v4l2_dev, "Failed to set default mode %s", def_mode); - return ret; + goto fail_kfree_amp; } vpbe_dev->initialized = 1; /* TBD handling of bootargs for default output and mode */ return 0; +fail_kfree_amp: + mutex_lock(&vpbe_dev->lock); + kfree(vpbe_dev->amp); fail_kfree_encoders: kfree(vpbe_dev->encoders); fail_dev_unregister: -- 2.19.1