diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index f72457b4b0a7..c2921d01e925 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1132,7 +1132,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 	}
 	release_sock(sk);
 
-	if (len < sizeof(int) && len > 0 && val>=0 && val<255) {
+	if (len < sizeof(int) && len > 0 && val>=0 && val<=255) {
 		unsigned char ucval = (unsigned char)val;
 		len = 1;
 		if (put_user(len, optlen))