mdec.c: fix overread.

14 years ago · 32ac63ee10
parent a26d2b4bc8
commit 32ac63ee10
1 changed files with 2 additions and 1 deletions
--- a/libavcodec/mdec.c
+++ b/libavcodec/mdec.c
@ -125,7 +125,8 @@ static inline int decode_mb(MDECContext *a, DCTELEM block[6][64]){
    a->dsp.clear_blocks(block[0]);

    for(i=0; i<6; i++){
-        if( mdec_decode_block_intra(a, block[ block_index[i] ], block_index[i]) < 0)
+        if( mdec_decode_block_intra(a, block[ block_index[i] ], block_index[i]) < 0 ||
+            get_bits_left(&a->gb) < 0)
            return -1;
    }
    return 0;