1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/rv30.c b/libavcodec/rv30.c
index 4828e98..1bb223c 100644
--- a/libavcodec/rv30.c
+++ b/libavcodec/rv30.c
@@ -103,7 +103,7 @@ static int rv30_decode_mb_info(RV34DecContext *r)
     GetBitContext *gb = &s->gb;
     int code = svq3_get_ue_golomb(gb);
 
-    if(code > 11){
+    if (code < 0 || code > 11) {
         av_log(s->avctx, AV_LOG_ERROR, "Incorrect MB type code\n");
         return -1;
     }