avformat/swfdec: Check return value of init_get_bits8()

Fixes: CID1322320 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
10 years ago · bd70303ead
parent 32f53958b8
commit bd70303ead
1 changed files with 2 additions and 1 deletions
--- a/libavformat/swfdec.c
+++ b/libavformat/swfdec.c
@ -72,7 +72,8 @@ static int swf_probe(AVProbeData *p)
        && p->buf[3] <= 20)
        return AVPROBE_SCORE_MAX / 4 + 1;

-    init_get_bits8(&gb, p->buf + 3, p->buf_size - 3);
+    if (init_get_bits8(&gb, p->buf + 3, p->buf_size - 3) < 0)
+        return 0;

    skip_bits(&gb, 40);
    len = get_bits(&gb, 5);