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Code Issues Releases Activity

v4l2: do not assert on a value received from outside of Libav

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This commit is contained in:
Anton Khirnov 2013-01-08 08:04:59 +01:00
parent 838b849e70
commit 49dc82eef7
1 changed files with 6 additions and 1 deletions
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7
libavdevice/v4l2.c
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@ -460,7 +460,12 @@ static int mmap_read_frame(AVFormatContext *ctx, AVPacket *pkt)
return AVERROR(errno); return AVERROR(errno);
} }
assert (buf.index < s->buffers);
if (buf.index >= s->buffers) {
av_log(ctx, AV_LOG_ERROR, "Invalid buffer index received.\n");
return AVERROR(EINVAL);
}
if (s->frame_size > 0 && buf.bytesused != s->frame_size) { if (s->frame_size > 0 && buf.bytesused != s->frame_size) {
av_log(ctx, AV_LOG_ERROR, av_log(ctx, AV_LOG_ERROR,
"The v4l2 frame is %d bytes, but %d bytes are expected\n", "The v4l2 frame is %d bytes, but %d bytes are expected\n",