From faf67322dc59954b01da29897df0b3f057e526eb Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Sat, 27 Dec 2008 11:40:07 +0000
Subject: [PATCH] Add missing check on the return value of the VIDIOCSWIN
ioctl.
Originally committed as revision 16360 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavdevice/v4l.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavdevice/v4l.c b/libavdevice/v4l.c
index b350adb0cd2..af9f0a47138 100644
--- a/libavdevice/v4l.c
+++ b/libavdevice/v4l.c
@@ -181,7 +181,10 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
s->video_win.chromakey = -1;
s->video_win.flags = 0;
- ioctl(video_fd, VIDIOCSWIN, s->video_win);
+ if (ioctl(video_fd, VIDIOCSWIN, s->video_win) < 0) {
+ av_log(s1, AV_LOG_ERROR, "VIDIOCSWIN: %s\n", strerror(errno));
+ goto fail;
+ }
s->frame_format = pict.palette;
--
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