From 1df00ac80f86119ffb03f01c757145b6942d071e Mon Sep 17 00:00:00 2001 From: Joakim Plate Date: Wed, 14 Sep 2011 19:24:25 +0200 Subject: [PATCH] [dv] Check return value of avio_seek and avoid modifying state if it fails --- libavformat/dv.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavformat/dv.c b/libavformat/dv.c index becea54813..f495e1ec6e 100644 --- a/libavformat/dv.c +++ b/libavformat/dv.c @@ -475,10 +475,11 @@ static int dv_read_seek(AVFormatContext *s, int stream_index, DVDemuxContext *c = r->dv_demux; int64_t offset = dv_frame_offset(s, c, timestamp, flags); - dv_offset_reset(c, offset / c->sys->frame_size); + if (avio_seek(s->pb, offset, SEEK_SET) < 0) + return -1; - offset = avio_seek(s->pb, offset, SEEK_SET); - return (offset < 0) ? offset : 0; + dv_offset_reset(c, offset / c->sys->frame_size); + return 0; } static int dv_read_close(AVFormatContext *s)