diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 0ff31d97d48586af00c6973d123576e040ed422a..ba0d8b8b76900aab863b02a349852d6e41760cda 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1755,8 +1755,11 @@ static inline int udp4_csum_init(struct sk_buff *skb, struct udphdr *uh,
 			return err;
 	}
 
-	return skb_checksum_init_zero_check(skb, proto, uh->check,
-					    inet_compute_pseudo);
+	/* Note, we are only interested in != 0 or == 0, thus the
+	 * force to int.
+	 */
+	return (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
+							 inet_compute_pseudo);
 }
 
 /*