diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index e8a80d0..63ddaee 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -593,7 +593,7 @@
 	tp->pushed_seq = tp->write_seq;
 }
 
-static inline int forced_push(const struct tcp_sock *tp)
+static inline bool forced_push(const struct tcp_sock *tp)
 {
 	return after(tp->write_seq, tp->pushed_seq + (tp->max_window >> 1));
 }
@@ -1082,7 +1082,7 @@
 				if (err)
 					goto do_fault;
 			} else {
-				int merge = 0;
+				bool merge = false;
 				int i = skb_shinfo(skb)->nr_frags;
 				struct page *page = sk->sk_sndmsg_page;
 				int off;
@@ -1096,7 +1096,7 @@
 				    off != PAGE_SIZE) {
 					/* We can extend the last page
 					 * fragment. */
-					merge = 1;
+					merge = true;
 				} else if (i == MAX_SKB_FRAGS || !sg) {
 					/* Need to add new fragment and cannot
 					 * do this because interface is non-SG,
@@ -1293,7 +1293,7 @@
 void tcp_cleanup_rbuf(struct sock *sk, int copied)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
-	int time_to_ack = 0;
+	bool time_to_ack = false;
 
 	struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);
 
@@ -1319,7 +1319,7 @@
 		      ((icsk->icsk_ack.pending & ICSK_ACK_PUSHED) &&
 		       !icsk->icsk_ack.pingpong)) &&
 		      !atomic_read(&sk->sk_rmem_alloc)))
-			time_to_ack = 1;
+			time_to_ack = true;
 	}
 
 	/* We send an ACK if we can now advertise a non-zero window
@@ -1341,7 +1341,7 @@
 			 * "Lots" means "at least twice" here.
 			 */
 			if (new_window && new_window >= 2 * rcv_window_now)
-				time_to_ack = 1;
+				time_to_ack = true;
 		}
 	}
 	if (time_to_ack)
@@ -2171,7 +2171,7 @@
 
 /* These states need RST on ABORT according to RFC793 */
 
-static inline int tcp_need_reset(int state)
+static inline bool tcp_need_reset(int state)
 {
 	return (1 << state) &
 	       (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT | TCPF_FIN_WAIT1 |
@@ -2245,7 +2245,7 @@
 }
 EXPORT_SYMBOL(tcp_disconnect);
 
-static inline int tcp_can_repair_sock(struct sock *sk)
+static inline bool tcp_can_repair_sock(const struct sock *sk)
 {
 	return capable(CAP_NET_ADMIN) &&
 		((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_ESTABLISHED));
@@ -3172,13 +3172,13 @@
 struct tcp_md5sig_pool __percpu *tcp_alloc_md5sig_pool(struct sock *sk)
 {
 	struct tcp_md5sig_pool __percpu *pool;
-	int alloc = 0;
+	bool alloc = false;
 
 retry:
 	spin_lock_bh(&tcp_md5sig_pool_lock);
 	pool = tcp_md5sig_pool;
 	if (tcp_md5sig_users++ == 0) {
-		alloc = 1;
+		alloc = true;
 		spin_unlock_bh(&tcp_md5sig_pool_lock);
 	} else if (!pool) {
 		tcp_md5sig_users--;