diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 4cf55ae..554d599 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1055,7 +1055,7 @@
 	struct tcp_sock *tp = tcp_sk(sk);
 	__u32 isn = TCP_SKB_CB(skb)->when;
 	struct dst_entry *dst = NULL;
-	int want_cookie = 0;
+	bool want_cookie = false;
 
 	if (skb->protocol == htons(ETH_P_IP))
 		return tcp_v4_conn_request(sk, skb);
@@ -1116,7 +1116,7 @@
 		while (l-- > 0)
 			*c++ ^= *hash_location++;
 
-		want_cookie = 0;	/* not our kind of cookie */
+		want_cookie = false;	/* not our kind of cookie */
 		tmp_ext.cookie_out_never = 0; /* false */
 		tmp_ext.cookie_plus = tmp_opt.cookie_plus;
 	} else if (!tp->rx_opt.cookie_in_always) {