diff --git a/net/sunrpc/socklib.c b/net/sunrpc/socklib.c
index 6f17527..61a038fc 100644
--- a/net/sunrpc/socklib.c
+++ b/net/sunrpc/socklib.c
@@ -166,7 +166,7 @@
 	}
 	if (desc.count)
 		return -1;
-	if ((unsigned short)csum_fold(desc.csum))
+	if (csum_fold(desc.csum))
 		return -1;
 	if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
 		netdev_rx_csum_fault(skb->dev);