[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>
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 13c66a7..31f42e8 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -96,7 +96,7 @@
}
/* Returns whether matches rule or not. */
-static inline int
+static inline bool
ip6_packet_match(const struct sk_buff *skb,
const char *indev,
const char *outdev,
@@ -122,7 +122,7 @@
dprintf("DST: %u. Mask: %u. Target: %u.%s\n", ip->daddr,
ipinfo->dmsk.s_addr, ipinfo->dst.s_addr,
ipinfo->invflags & IP6T_INV_DSTIP ? " (INV)" : "");*/
- return 0;
+ return false;
}
/* Look for ifname matches; this should unroll nicely. */
@@ -136,7 +136,7 @@
dprintf("VIA in mismatch (%s vs %s).%s\n",
indev, ip6info->iniface,
ip6info->invflags&IP6T_INV_VIA_IN ?" (INV)":"");
- return 0;
+ return false;
}
for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
@@ -149,7 +149,7 @@
dprintf("VIA out mismatch (%s vs %s).%s\n",
outdev, ip6info->outiface,
ip6info->invflags&IP6T_INV_VIA_OUT ?" (INV)":"");
- return 0;
+ return false;
}
/* ... might want to do something with class and flowlabel here ... */
@@ -163,7 +163,7 @@
if (protohdr < 0) {
if (_frag_off == 0)
*hotdrop = true;
- return 0;
+ return false;
}
*fragoff = _frag_off;
@@ -174,17 +174,17 @@
if (ip6info->proto == protohdr) {
if(ip6info->invflags & IP6T_INV_PROTO) {
- return 0;
+ return false;
}
- return 1;
+ return true;
}
/* We need match for the '-p all', too! */
if ((ip6info->proto != 0) &&
!(ip6info->invflags & IP6T_INV_PROTO))
- return 0;
+ return false;
}
- return 1;
+ return true;
}
/* should be ip6 safe */
@@ -219,20 +219,20 @@
}
static inline
-int do_match(struct ip6t_entry_match *m,
- const struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int offset,
- unsigned int protoff,
- bool *hotdrop)
+bool do_match(struct ip6t_entry_match *m,
+ const struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ int offset,
+ unsigned int protoff,
+ bool *hotdrop)
{
/* Stop iteration if it doesn't match */
if (!m->u.kernel.match->match(skb, in, out, m->u.kernel.match, m->data,
offset, protoff, hotdrop))
- return 1;
+ return true;
else
- return 0;
+ return false;
}
static inline struct ip6t_entry *
@@ -1291,7 +1291,7 @@
^ invert;
}
-static int
+static bool
icmp6_match(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -1306,7 +1306,7 @@
/* Must not be a fragment. */
if (offset)
- return 0;
+ return false;
ic = skb_header_pointer(skb, protoff, sizeof(_icmp), &_icmp);
if (ic == NULL) {
@@ -1314,7 +1314,7 @@
can't. Hence, no choice but to drop. */
duprintf("Dropping evil ICMP tinygram.\n");
*hotdrop = true;
- return 0;
+ return false;
}
return icmp6_type_code_match(icmpinfo->type,