From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail01a.mail.t-online.hu ([84.2.40.6]:54685 "EHLO mail01a.mail.t-online.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753059AbZCYQvs (ORCPT ); Wed, 25 Mar 2009 12:51:48 -0400 Message-ID: <49CA611B.5050902@freemail.hu> Date: Wed, 25 Mar 2009 17:51:39 +0100 From: =?ISO-8859-2?Q?N=E9meth_M=E1rton?= MIME-Version: 1.0 To: Mauro Carvalho Chehab , linux-media@vger.kernel.org CC: LKML Subject: [PATCH] v4l2: fill reserved fields of VIDIOC_ENUMAUDIO also Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: From: Márton Németh When enumerating audio inputs with VIDIOC_ENUMAUDIO the gspca_sunplus driver does not fill the reserved fields of the struct v4l2_audio with zeros as required by V4L2 API revision 0.24 [1]. Add the missing initializations to the V4L2 framework. The patch was tested with v4l-test 0.10 [2] with gspca_sunplus driver and with Trust 610 LCD POWERC@M ZOOM webcam. References: [1] V4L2 API specification, revision 0.24 http://v4l2spec.bytesex.org/spec/r8242.htm [2] v4l-test: Test environment for Video For Linux Two API http://v4l-test.sourceforge.net/ Signed-off-by: Márton Németh --- --- linux-2.6.29/drivers/media/video/v4l2-ioctl.c.orig 2009-03-24 00:12:14.000000000 +0100 +++ linux-2.6.29/drivers/media/video/v4l2-ioctl.c 2009-03-25 17:11:27.000000000 +0100 @@ -1363,9 +1363,13 @@ static long __video_do_ioctl(struct file case VIDIOC_ENUMAUDIO: { struct v4l2_audio *p = arg; + __u32 index = p->index; if (!ops->vidioc_enumaudio) break; + + memset(p, 0, sizeof(*p)); + p->index = index; ret = ops->vidioc_enumaudio(file, fh, p); if (!ret) dbgarg(cmd, "index=%d, name=%s, capability=0x%x, "