tcp: bool conversions

bool conversions where possible.

__inline__ -> inline

space cleanups

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 13 insertions, 13 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 2e76ffb66d7c..a43b87dfe800 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -866,14 +866,14 @@ static void tcp_v4_reqsk_destructor(struct request_sock *req)
 }
 
 /*
- * Return 1 if a syncookie should be sent
+ * Return true if a syncookie should be sent
  */
-int tcp_syn_flood_action(struct sock *sk,
+bool tcp_syn_flood_action(struct sock *sk,
 			 const struct sk_buff *skb,
 			 const char *proto)
 {
 	const char *msg = "Dropping request";
-	int want_cookie = 0;
+	bool want_cookie = false;
 	struct listen_sock *lopt;
 
 
@@ -881,7 +881,7 @@ int tcp_syn_flood_action(struct sock *sk,
 #ifdef CONFIG_SYN_COOKIES
 	if (sysctl_tcp_syncookies) {
 		msg = "Sending cookies";
-		want_cookie = 1;
+		want_cookie = true;
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPREQQFULLDOCOOKIES);
 	} else
 #endif
@@ -1196,7 +1196,7 @@ clear_hash_noput:
 }
 EXPORT_SYMBOL(tcp_v4_md5_hash_skb);
 
-static int tcp_v4_inbound_md5_hash(struct sock *sk, const struct sk_buff *skb)
+static bool tcp_v4_inbound_md5_hash(struct sock *sk, const struct sk_buff *skb)
 {
 	/*
 	 * This gets called for each TCP segment that arrives
@@ -1219,16 +1219,16 @@ static int tcp_v4_inbound_md5_hash(struct sock *sk, const struct sk_buff *skb)
 
 	/* We've parsed the options - do we have a hash? */
 	if (!hash_expected && !hash_location)
-		return 0;
+		return false;
 
 	if (hash_expected && !hash_location) {
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPMD5NOTFOUND);
-		return 1;
+		return true;
 	}
 
 	if (!hash_expected && hash_location) {
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPMD5UNEXPECTED);
-		return 1;
+		return true;
 	}
 
 	/* Okay, so this is hash_expected and hash_location -
@@ -1244,9 +1244,9 @@ static int tcp_v4_inbound_md5_hash(struct sock *sk, const struct sk_buff *skb)
 				     &iph->daddr, ntohs(th->dest),
 				     genhash ? " tcp_v4_calc_md5_hash failed"
 				     : "");
-		return 1;
+		return true;
 	}
-	return 0;
+	return false;
 }
 
 #endif
@@ -1280,7 +1280,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	__be32 saddr = ip_hdr(skb)->saddr;
 	__be32 daddr = ip_hdr(skb)->daddr;
 	__u32 isn = TCP_SKB_CB(skb)->when;
-	int want_cookie = 0;
+	bool want_cookie = false;
 
 	/* Never answer to SYNs send to broadcast or multicast */
 	if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
@@ -1339,7 +1339,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 		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) {
@@ -2073,7 +2073,7 @@ static void *listening_get_idx(struct seq_file *seq, loff_t *pos)
 	return rc;
 }
 
-static inline int empty_bucket(struct tcp_iter_state *st)
+static inline bool empty_bucket(struct tcp_iter_state *st)
 {
 	return hlist_nulls_empty(&tcp_hashinfo.ehash[st->bucket].chain) &&
 		hlist_nulls_empty(&tcp_hashinfo.ehash[st->bucket].twchain);