[NETFILTER]: x_tables: switch xt_match->match to bool

Switch the return type of match functions to boolean

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 6 deletions

diff --git a/net/ipv4/netfilter/ipt_recent.c b/net/ipv4/netfilter/ipt_recent.c
index 81f1a017f31..2e513ed9b6e 100644
--- a/net/ipv4/netfilter/ipt_recent.c
+++ b/net/ipv4/netfilter/ipt_recent.c
@@ -169,7 +169,7 @@ static void recent_table_flush(struct recent_table *t)
         }
 }
 
-static int
+static bool
 ipt_recent_match(const struct sk_buff *skb,
                  const struct net_device *in, const struct net_device *out,
                  const struct xt_match *match, const void *matchinfo,
@@ -180,7 +180,7 @@ ipt_recent_match(const struct sk_buff *skb,
         struct recent_entry *e;
         __be32 addr;
         u_int8_t ttl;
-        int ret = info->invert;
+        bool ret = info->invert;
 
         if (info->side == IPT_RECENT_DEST)
                 addr = ip_hdr(skb)->daddr;
@@ -202,15 +202,15 @@ ipt_recent_match(const struct sk_buff *skb,
                 e = recent_entry_init(t, addr, ttl);
                 if (e == NULL)
                         *hotdrop = true;
-                ret ^= 1;
+                ret = !ret;
                 goto out;
         }
 
         if (info->check_set & IPT_RECENT_SET)
-                ret ^= 1;
+                ret = !ret;
         else if (info->check_set & IPT_RECENT_REMOVE) {
                 recent_entry_remove(t, e);
-                ret ^= 1;
+                ret = !ret;
         } else if (info->check_set & (IPT_RECENT_CHECK | IPT_RECENT_UPDATE)) {
                 unsigned long t = jiffies - info->seconds * HZ;
                 unsigned int i, hits = 0;
@@ -219,7 +219,7 @@ ipt_recent_match(const struct sk_buff *skb,
                         if (info->seconds && time_after(t, e->stamps[i]))
                                 continue;
                         if (++hits >= info->hit_count) {
-                                ret ^= 1;
+                                ret = !ret;
                                 break;
                         }
                 }