diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c index 8ea81e5d45..5339fdd32c 100644 --- a/libavformat/oggdec.c +++ b/libavformat/oggdec.c @@ -364,7 +364,9 @@ static int ogg_read_page(AVFormatContext *s, int *sid, int probing) ffio_init_checksum(bc, ff_crc04C11DB7_update, 0x4fa9b05f); /* To rewind if checksum is bad/check magic on switches - this is the max packet size */ - ffio_ensure_seekback(bc, MAX_PAGE_SIZE); + ret = ffio_ensure_seekback(bc, MAX_PAGE_SIZE); + if (ret < 0) + return ret; start_pos = avio_tell(bc); version = avio_r8(bc);