[NETFILTER]: x_tables: switch xt_match->checkentry 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>

8 files changed, 27 insertions, 27 deletions

diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 31f42e8..7fe4d29 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -188,20 +188,20 @@ ip6_packet_match(const struct sk_buff *skb,
 }
 
 /* should be ip6 safe */
-static inline int
+static inline bool
 ip6_checkentry(const struct ip6t_ip6 *ipv6)
 {
 	if (ipv6->flags & ~IP6T_F_MASK) {
 		duprintf("Unknown flag bits set: %08X\n",
 			 ipv6->flags & ~IP6T_F_MASK);
-		return 0;
+		return false;
 	}
 	if (ipv6->invflags & ~IP6T_INV_MASK) {
 		duprintf("Unknown invflag bits set: %08X\n",
 			 ipv6->invflags & ~IP6T_INV_MASK);
-		return 0;
+		return false;
 	}
-	return 1;
+	return true;
 }
 
 static unsigned int
@@ -1282,10 +1282,10 @@ void ip6t_unregister_table(struct xt_table *table)
 }
 
 /* Returns 1 if the type and code is matched by the range, 0 otherwise */
-static inline int
+static inline bool
 icmp6_type_code_match(u_int8_t test_type, u_int8_t min_code, u_int8_t max_code,
 		     u_int8_t type, u_int8_t code,
-		     int invert)
+		     bool invert)
 {
 	return (type == test_type && code >= min_code && code <= max_code)
 		^ invert;
@@ -1325,7 +1325,7 @@ icmp6_match(const struct sk_buff *skb,
 }
 
 /* Called when user tries to insert an entry of this type. */
-static int
+static bool
 icmp6_checkentry(const char *tablename,
 	   const void *entry,
 	   const struct xt_match *match,
diff --git a/net/ipv6/netfilter/ip6t_ah.c b/net/ipv6/netfilter/ip6t_ah.c
index 607c2eb..8fc00bd 100644
--- a/net/ipv6/netfilter/ip6t_ah.c
+++ b/net/ipv6/netfilter/ip6t_ah.c
@@ -103,7 +103,7 @@ match(const struct sk_buff *skb,
 }
 
 /* Called when user tries to insert an entry of this type. */
-static int
+static bool
 checkentry(const char *tablename,
 	  const void *entry,
 	  const struct xt_match *match,
@@ -114,9 +114,9 @@ checkentry(const char *tablename,
 
 	if (ahinfo->invflags & ~IP6T_AH_INV_MASK) {
 		DEBUGP("ip6t_ah: unknown flags %X\n", ahinfo->invflags);
-		return 0;
+		return false;
 	}
-	return 1;
+	return true;
 }
 
 static struct xt_match ah_match = {
diff --git a/net/ipv6/netfilter/ip6t_frag.c b/net/ipv6/netfilter/ip6t_frag.c
index 0ed5fbc..f0aed89 100644
--- a/net/ipv6/netfilter/ip6t_frag.c
+++ b/net/ipv6/netfilter/ip6t_frag.c
@@ -120,7 +120,7 @@ match(const struct sk_buff *skb,
 }
 
 /* Called when user tries to insert an entry of this type. */
-static int
+static bool
 checkentry(const char *tablename,
 	   const void *ip,
 	   const struct xt_match *match,
@@ -131,9 +131,9 @@ checkentry(const char *tablename,
 
 	if (fraginfo->invflags & ~IP6T_FRAG_INV_MASK) {
 		DEBUGP("ip6t_frag: unknown flags %X\n", fraginfo->invflags);
-		return 0;
+		return false;
 	}
-	return 1;
+	return true;
 }
 
 static struct xt_match frag_match = {
diff --git a/net/ipv6/netfilter/ip6t_hbh.c b/net/ipv6/netfilter/ip6t_hbh.c
index 4b05393..6fdd797 100644
--- a/net/ipv6/netfilter/ip6t_hbh.c
+++ b/net/ipv6/netfilter/ip6t_hbh.c
@@ -174,7 +174,7 @@ match(const struct sk_buff *skb,
 }
 
 /* Called when user tries to insert an entry of this type. */
-static int
+static bool
 checkentry(const char *tablename,
 	   const void *entry,
 	   const struct xt_match *match,
@@ -185,9 +185,9 @@ checkentry(const char *tablename,
 
 	if (optsinfo->invflags & ~IP6T_OPTS_INV_MASK) {
 		DEBUGP("ip6t_opts: unknown flags %X\n", optsinfo->invflags);
-		return 0;
+		return false;
 	}
-	return 1;
+	return true;
 }
 
 static struct xt_match opts_match[] = {
diff --git a/net/ipv6/netfilter/ip6t_ipv6header.c b/net/ipv6/netfilter/ip6t_ipv6header.c
index 3222e89..5ba6ef0 100644
--- a/net/ipv6/netfilter/ip6t_ipv6header.c
+++ b/net/ipv6/netfilter/ip6t_ipv6header.c
@@ -124,7 +124,7 @@ ipv6header_match(const struct sk_buff *skb,
 	}
 }
 
-static int
+static bool
 ipv6header_checkentry(const char *tablename,
 		      const void *ip,
 		      const struct xt_match *match,
@@ -136,9 +136,9 @@ ipv6header_checkentry(const char *tablename,
 	/* invflags is 0 or 0xff in hard mode */
 	if ((!info->modeflag) && info->invflags != 0x00 &&
 	    info->invflags != 0xFF)
-		return 0;
+		return false;
 
-	return 1;
+	return true;
 }
 
 static struct xt_match ip6t_ipv6header_match = {
diff --git a/net/ipv6/netfilter/ip6t_mh.c b/net/ipv6/netfilter/ip6t_mh.c
index ddffe03..a3008b4 100644
--- a/net/ipv6/netfilter/ip6t_mh.c
+++ b/net/ipv6/netfilter/ip6t_mh.c
@@ -75,7 +75,7 @@ match(const struct sk_buff *skb,
 }
 
 /* Called when user tries to insert an entry of this type. */
-static int
+static bool
 mh_checkentry(const char *tablename,
 	      const void *entry,
 	      const struct xt_match *match,
diff --git a/net/ipv6/netfilter/ip6t_owner.c b/net/ipv6/netfilter/ip6t_owner.c
index cadd0a6..8cb6c94 100644
--- a/net/ipv6/netfilter/ip6t_owner.c
+++ b/net/ipv6/netfilter/ip6t_owner.c
@@ -53,7 +53,7 @@ match(const struct sk_buff *skb,
 	return true;
 }
 
-static int
+static bool
 checkentry(const char *tablename,
 	   const void *ip,
 	   const struct xt_match *match,
@@ -65,9 +65,9 @@ checkentry(const char *tablename,
 	if (info->match & (IP6T_OWNER_PID | IP6T_OWNER_SID)) {
 		printk("ipt_owner: pid and sid matching "
 		       "not supported anymore\n");
-		return 0;
+		return false;
 	}
-	return 1;
+	return true;
 }
 
 static struct xt_match owner_match = {
diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index 7966f4a..e991ed4 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -198,7 +198,7 @@ match(const struct sk_buff *skb,
 }
 
 /* Called when user tries to insert an entry of this type. */
-static int
+static bool
 checkentry(const char *tablename,
 	   const void *entry,
 	   const struct xt_match *match,
@@ -209,17 +209,17 @@ checkentry(const char *tablename,
 
 	if (rtinfo->invflags & ~IP6T_RT_INV_MASK) {
 		DEBUGP("ip6t_rt: unknown flags %X\n", rtinfo->invflags);
-		return 0;
+		return false;
 	}
 	if ((rtinfo->flags & (IP6T_RT_RES | IP6T_RT_FST_MASK)) &&
 	    (!(rtinfo->flags & IP6T_RT_TYP) ||
 	     (rtinfo->rt_type != 0) ||
 	     (rtinfo->invflags & IP6T_RT_INV_TYP))) {
 		DEBUGP("`--rt-type 0' required before `--rt-0-*'");
-		return 0;
+		return false;
 	}
 
-	return 1;
+	return true;
 }
 
 static struct xt_match rt_match = {