From bd70303ead786f00df6b09219ea68967799aed1a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Thu, 3 Sep 2015 09:47:39 +0200
Subject: [PATCH] avformat/swfdec: Check return value of init_get_bits8()

Fixes: CID1322320

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/swfdec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c
index 74531d8888..68cd8561fb 100644
--- 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);