Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756848AbYHVTl3 (ORCPT ); Fri, 22 Aug 2008 15:41:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752007AbYHVTlU (ORCPT ); Fri, 22 Aug 2008 15:41:20 -0400 Received: from server78.greatnet.de ([83.133.96.102]:40451 "EHLO server78.greatnet.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751823AbYHVTlU (ORCPT ); Fri, 22 Aug 2008 15:41:20 -0400 Message-ID: <48AF164F.308@nachtwindheim.de> Date: Fri, 22 Aug 2008 21:41:03 +0200 From: Henne User-Agent: Mozilla-Thunderbird 2.0.0.16 (X11/20080724) MIME-Version: 1.0 To: mchehab@infradead.org CC: video4linux-list@redhat.com, linux-kernel@vger.kernel.org Subject: [PATCH] V4L: check inval in video_register_device_index() Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 844 Lines: 27 From: Henrik Kretzschmar Signed-off-by: Henrik Kretzschmar Better check the video_device pointer before using it. diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 6f36006..ef153ff 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -257,6 +257,9 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, int ret; char *name_base; + if (vfd == NULL) + return -EINVAL; + switch (type) { case VFL_TYPE_GRABBER: base = MINOR_VFL_TYPE_GRABBER_MIN; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/