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>
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 2e76ffb..a43b87d 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -866,14 +866,14 @@
}
/*
- * 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 @@
#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 @@
}
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 @@
/* 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 @@
&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 @@
__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 @@
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 @@
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);
