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-rw-r--r--libavformat/matroskadec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index a74944bb38..6397e04352 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2531,7 +2531,7 @@ matroska_read_packet (AVFormatContext *s,
AVPacket *pkt)
{
MatroskaDemuxContext *matroska = s->priv_data;
- int res = 0;
+ int res;
uint32_t id;
/* Read stream until we have a packet queued. */
@@ -2541,6 +2541,7 @@ matroska_read_packet (AVFormatContext *s,
if (matroska->done)
return AVERROR_IO;
+ res = 0;
while (res == 0) {
if (!(id = ebml_peek_id(matroska, &matroska->level_up))) {
return AVERROR_IO;