vorbis: fix dereference after null check (cid #403019)

4941746e · Tristan Matthews · 887e8f05 · 4941746e
Commit 4941746e authored Aug 09, 2014 by Tristan Matthews
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modules/codec/vorbis.c modules/codec/vorbis.c +2 -1

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--- a/modules/codec/vorbis.c
+++ b/modules/codec/vorbis.c
@@ -318,7 +318,8 @@ static block_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
    {
        if( ProcessHeaders( p_dec ) )
        {
-            block_Release( *pp_block );
+            if( *pp_block )
+                block_Release( *pp_block );
            return NULL;
        }
        p_sys->b_has_headers = true;