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Add missing check on the return value of the VIDIOCSWIN ioctl. 

Originally committed as revision 16360 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2008-12-27 11:40:07 +00:00
parent cb82a0736d
commit faf67322dc
1 changed files with 4 additions and 1 deletions
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5
libavdevice/v4l.c
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@ -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;