avcodec/mss4: check return value of init_get_bits8()
authorPaul B Mahol <onemda@gmail.com>
Tue, 24 Feb 2015 13:17:34 +0000 (13:17 +0000)
committerPaul B Mahol <onemda@gmail.com>
Tue, 24 Feb 2015 13:17:34 +0000 (13:17 +0000)
Signed-off-by: Paul B Mahol <onemda@gmail.com>
libavcodec/mss4.c

index 07d90ed..00c31dd 100644 (file)
@@ -572,7 +572,8 @@ static int mss4_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
             ff_mss34_gen_quant_mat(c->quant_mat[i], quality, !i);
     }
 
             ff_mss34_gen_quant_mat(c->quant_mat[i], quality, !i);
     }
 
-    init_get_bits8(&gb, buf + HEADER_SIZE, (buf_size - HEADER_SIZE));
+    if ((ret = init_get_bits8(&gb, buf + HEADER_SIZE, buf_size - HEADER_SIZE)) < 0)
+        return ret;
 
     mb_width  = FFALIGN(width,  16) >> 4;
     mb_height = FFALIGN(height, 16) >> 4;
 
     mb_width  = FFALIGN(width,  16) >> 4;
     mb_height = FFALIGN(height, 16) >> 4;