diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 058f509ca98ebeb950c286d135f95373c1536dbc..4c88d20d91d4fa7b6b5d43d5791c2c2d100f44ee 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3062,6 +3062,11 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
 		if (get_user(len, optlen))
 			return -EFAULT;
 		len = min_t(unsigned int, len, TCP_ULP_NAME_MAX);
+		if (!icsk->icsk_ulp_ops) {
+			if (put_user(0, optlen))
+				return -EFAULT;
+			return 0;
+		}
 		if (put_user(len, optlen))
 			return -EFAULT;
 		if (copy_to_user(optval, icsk->icsk_ulp_ops->name, len))