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matroska: Fix use after free

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Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Dale Curtis 2013-01-10 11:05:29 -08:00 committed by Luca Barbato
parent ec86ba5731
commit ae3d416369
1 changed files with 1 additions and 1 deletions
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2
libavformat/matroskadec.c
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@ -1744,6 +1744,7 @@ static int matroska_deliver_packet(MatroskaDemuxContext *matroska,
*/
static void matroska_clear_queue(MatroskaDemuxContext *matroska)
{
matroska->prev_pkt = NULL;
if (matroska->packets) {
int n;
for (n = 0; n < matroska->num_packets; n++) {
@ -2231,7 +2232,6 @@ static int matroska_read_seek(AVFormatContext *s, int stream_index,
avio_seek(s->pb, st->index_entries[st->nb_index_entries-1].pos, SEEK_SET);
matroska->current_id = 0;
while ((index = av_index_search_timestamp(st, timestamp, flags)) < 0) {
matroska->prev_pkt = NULL;
matroska_clear_queue(matroska);
if (matroska_parse_cluster(matroska) < 0)
break;