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nsvdec: Check return value of avio_seek and avoid modifying state if it fails 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
This commit is contained in:
Joakim Plate 2012-02-03 19:13:41 +00:00 committed by Justin Ruggles
parent 97aa092997
commit 8dcd00eabd
1 changed files with 3 additions and 1 deletions
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4
libavformat/nsvdec.c
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@ -720,7 +720,9 @@ static int nsv_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
if(index < 0)
return -1;
avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET);
if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
return -1;
nst->frame_offset = st->index_entries[index].timestamp;
nsv->state = NSV_UNSYNC;
return 0;