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

Switch the return type of match functions to boolean Signed-off-by: Jan Engelhardt <[email protected]> Signed-off-by: Patrick McHardy <[email protected]> Signed-off-by: David S. Miller <[email protected]>
TechNexion · Jul 11, 2007 · ccb79bd · ccb79bd
1 parent 1d93a9c
commit ccb79bd
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Showing 33 changed files with 148 additions and 148 deletions.
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
@@ -152,11 +152,11 @@ struct xt_match
 
 	/* Called when user tries to insert an entry of this type. */
 	/* Should return true or false. */
-	int (*checkentry)(const char *tablename,
-			  const void *ip,
-			  const struct xt_match *match,
-			  void *matchinfo,
-			  unsigned int hook_mask);
+	bool (*checkentry)(const char *tablename,
+			   const void *ip,
+			   const struct xt_match *match,
+			   void *matchinfo,
+			   unsigned int hook_mask);
 
 	/* Called when entry of this type deleted. */
 	void (*destroy)(const struct xt_match *match, void *matchinfo);

diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
@@ -152,20 +152,20 @@ ip_packet_match(const struct iphdr *ip,
 	return 1;
 }
 
-static inline int
+static inline bool
 ip_checkentry(const struct ipt_ip *ip)
 {
 	if (ip->flags & ~IPT_F_MASK) {
 		duprintf("Unknown flag bits set: %08X\n",
 			 ip->flags & ~IPT_F_MASK);
-		return 0;
+		return false;
 	}
 	if (ip->invflags & ~IPT_INV_MASK) {
 		duprintf("Unknown invflag bits set: %08X\n",
 			 ip->invflags & ~IPT_INV_MASK);
-		return 0;
+		return false;
 	}
-	return 1;
+	return true;
 }
 
 static unsigned int
@@ -2149,7 +2149,7 @@ icmp_match(const struct sk_buff *skb,
 }
 
 /* Called when user tries to insert an entry of this type. */
-static int
+static bool
 icmp_checkentry(const char *tablename,
 	   const void *info,
 	   const struct xt_match *match,

diff --git a/net/ipv4/netfilter/ipt_ah.c b/net/ipv4/netfilter/ipt_ah.c
@@ -70,7 +70,7 @@ 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_void,
 	   const struct xt_match *match,
@@ -82,9 +82,9 @@ checkentry(const char *tablename,
 	/* Must specify no unknown invflags */
 	if (ahinfo->invflags & ~IPT_AH_INV_MASK) {
 		duprintf("ipt_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/ipv4/netfilter/ipt_ecn.c b/net/ipv4/netfilter/ipt_ecn.c
@@ -87,27 +87,27 @@ static bool match(const struct sk_buff *skb,
 	return true;
 }
 
-static int checkentry(const char *tablename, const void *ip_void,
-		      const struct xt_match *match,
-		      void *matchinfo, unsigned int hook_mask)
+static bool checkentry(const char *tablename, const void *ip_void,
+		       const struct xt_match *match,
+		       void *matchinfo, unsigned int hook_mask)
 {
 	const struct ipt_ecn_info *info = matchinfo;
 	const struct ipt_ip *ip = ip_void;
 
 	if (info->operation & IPT_ECN_OP_MATCH_MASK)
-		return 0;
+		return false;
 
 	if (info->invert & IPT_ECN_OP_MATCH_MASK)
-		return 0;
+		return false;
 
 	if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)
 	    && ip->proto != IPPROTO_TCP) {
 		printk(KERN_WARNING "ipt_ecn: can't match TCP bits in rule for"
 		       " non-tcp packets\n");
-		return 0;
+		return false;
 	}
 
-	return 1;
+	return true;
 }
 
 static struct xt_match ecn_match = {

diff --git a/net/ipv4/netfilter/ipt_owner.c b/net/ipv4/netfilter/ipt_owner.c
@@ -51,7 +51,7 @@ match(const struct sk_buff *skb,
 	return true;
 }
 
-static int
+static bool
 checkentry(const char *tablename,
 	   const void *ip,
 	   const struct xt_match *match,
@@ -63,9 +63,9 @@ checkentry(const char *tablename,
 	if (info->match & (IPT_OWNER_PID|IPT_OWNER_SID|IPT_OWNER_COMM)) {
 		printk("ipt_owner: pid, sid and command matching "
 		       "not supported anymore\n");
-		return 0;
+		return false;
 	}
-	return 1;
+	return true;
 }
 
 static struct xt_match owner_match = {

diff --git a/net/ipv4/netfilter/ipt_recent.c b/net/ipv4/netfilter/ipt_recent.c
@@ -235,32 +235,32 @@ ipt_recent_match(const struct sk_buff *skb,
 	return ret;
 }
 
-static int
+static bool
 ipt_recent_checkentry(const char *tablename, const void *ip,
 		      const struct xt_match *match, void *matchinfo,
 		      unsigned int hook_mask)
 {
 	const struct ipt_recent_info *info = matchinfo;
 	struct recent_table *t;
 	unsigned i;
-	int ret = 0;
+	bool ret = false;
 
 	if (hweight8(info->check_set &
 		     (IPT_RECENT_SET | IPT_RECENT_REMOVE |
 		      IPT_RECENT_CHECK | IPT_RECENT_UPDATE)) != 1)
-		return 0;
+		return false;
 	if ((info->check_set & (IPT_RECENT_SET | IPT_RECENT_REMOVE)) &&
 	    (info->seconds || info->hit_count))
-		return 0;
+		return false;
 	if (info->name[0] == '\0' ||
 	    strnlen(info->name, IPT_RECENT_NAME_LEN) == IPT_RECENT_NAME_LEN)
-		return 0;
+		return false;
 
 	mutex_lock(&recent_mutex);
 	t = recent_table_lookup(info->name);
 	if (t != NULL) {
 		t->refcnt++;
-		ret = 1;
+		ret = true;
 		goto out;
 	}
 
@@ -287,7 +287,7 @@ ipt_recent_checkentry(const char *tablename, const void *ip,
 	spin_lock_bh(&recent_lock);
 	list_add_tail(&t->list, &tables);
 	spin_unlock_bh(&recent_lock);
-	ret = 1;
+	ret = true;
 out:
 	mutex_unlock(&recent_mutex);
 	return ret;

diff --git 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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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 = {