Merge commit 'db67b7c3' into release/2.2

* commit 'db67b7c3':
  rv10: Forward error from rv10_decode_packet
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/rv10.c

@@ -730,7 +730,10 @@ static int rv10_decode_frame(AVCodecContext *avctx,
             offset + FFMAX(size, size2) > buf_size)
             return AVERROR_INVALIDDATA;
 
-        if (rv10_decode_packet(avctx, buf + offset, size, size2) > 8 * size)
+        if ((ret = rv10_decode_packet(avctx, buf + offset, size, size2)) < 0)
+            return ret;
+
+        if (ret > 8 * size)
             i++;
     }