avformat/bethsoftvid: Fix potential memleak upon reallocation failure

The classical ptr = av_realloc(ptr, size), just with av_fast_realloc().

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Andreas Rheinhardt 2020-03-21 03:57:32 +01:00 committed by Michael Niedermayer
parent 6e14ddd156
commit 5acef12061

View File

@ -147,9 +147,13 @@ static int read_frame(BVID_DemuxContext *vid, AVIOContext *pb, AVPacket *pkt,
}
do{
vidbuf_start = av_fast_realloc(vidbuf_start, &vidbuf_capacity, vidbuf_nbytes + BUFFER_PADDING_SIZE);
if(!vidbuf_start)
return AVERROR(ENOMEM);
uint8_t *tmp = av_fast_realloc(vidbuf_start, &vidbuf_capacity,
vidbuf_nbytes + BUFFER_PADDING_SIZE);
if (!tmp) {
ret = AVERROR(ENOMEM);
goto fail;
}
vidbuf_start = tmp;
code = avio_r8(pb);
vidbuf_start[vidbuf_nbytes++] = code;