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Code Issues Releases Activity

v4l2: Unify one instance of reading/storing errno

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
2014-11-10 09:49:01 +02:00
parent 28396d17ff
commit b776113e5d
1 changed files with 3 additions and 3 deletions
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6
libavdevice/v4l2.c
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@@ -348,14 +348,14 @@ static int mmap_init(AVFormatContext *ctx)
res = ioctl(s->fd, VIDIOC_REQBUFS, &req); res = ioctl(s->fd, VIDIOC_REQBUFS, &req);
if (res < 0) { if (res < 0) {
res = errno; res = AVERROR(errno);
if (errno == EINVAL) { if (res == AVERROR(EINVAL)) {
av_log(ctx, AV_LOG_ERROR, "Device does not support mmap\n"); av_log(ctx, AV_LOG_ERROR, "Device does not support mmap\n");
} else { } else {
av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_REQBUFS)\n"); av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_REQBUFS)\n");
} }
return AVERROR(res); return res;
} }
if (req.count < 2) { if (req.count < 2) {