Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755064AbcCULdU (ORCPT ); Mon, 21 Mar 2016 07:33:20 -0400 Received: from swift.blarg.de ([78.47.110.205]:53816 "EHLO swift.blarg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754874AbcCULdP (ORCPT ); Mon, 21 Mar 2016 07:33:15 -0400 Subject: [PATCH] drivers/media/media-devnode: add missing mutex lock in error handler From: Max Kellermann To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Date: Mon, 21 Mar 2016 12:33:12 +0100 Message-ID: <145855999281.9224.17355739501867370595.stgit@woodpecker.blarg.de> User-Agent: StGit/0.17.1-16-g3c77 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 533 Lines: 21 --- drivers/media/media-devnode.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c index cea35bf..4d7e8dd 100644 --- a/drivers/media/media-devnode.c +++ b/drivers/media/media-devnode.c @@ -266,8 +266,11 @@ int __must_check media_devnode_register(struct media_devnode *mdev, return 0; error: + mutex_lock(&media_devnode_lock); cdev_del(&mdev->cdev); clear_bit(mdev->minor, media_devnode_nums); + mutex_unlock(&media_devnode_lock); + return ret; }