[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, 13 insertions, 13 deletions

diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index 2bb88214cfd..7966f4a5e9b 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -31,10 +31,10 @@ MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>");
 #endif
 
 /* Returns 1 if the id is matched by the range, 0 otherwise */
-static inline int
-segsleft_match(u_int32_t min, u_int32_t max, u_int32_t id, int invert)
+static inline bool
+segsleft_match(u_int32_t min, u_int32_t max, u_int32_t id, bool invert)
 {
-        int r = 0;
+        bool r;
         DEBUGP("rt segsleft_match:%c 0x%x <= 0x%x <= 0x%x",
                invert ? '!' : ' ', min, id, max);
         r = (id >= min && id <= max) ^ invert;
@@ -42,7 +42,7 @@ segsleft_match(u_int32_t min, u_int32_t max, u_int32_t id, int invert)
         return r;
 }
 
-static int
+static bool
 match(const struct sk_buff *skb,
       const struct net_device *in,
       const struct net_device *out,
@@ -57,7 +57,7 @@ match(const struct sk_buff *skb,
         unsigned int temp;
         unsigned int ptr;
         unsigned int hdrlen = 0;
-        unsigned int ret = 0;
+        bool ret = false;
         struct in6_addr *ap, _addr;
         int err;
 
@@ -65,19 +65,19 @@ match(const struct sk_buff *skb,
         if (err < 0) {
                 if (err != -ENOENT)
                         *hotdrop = true;
-                return 0;
+                return false;
         }
 
         rh = skb_header_pointer(skb, ptr, sizeof(_route), &_route);
         if (rh == NULL) {
                 *hotdrop = true;
-                return 0;
+                return false;
         }
 
         hdrlen = ipv6_optlen(rh);
         if (skb->len - ptr < hdrlen) {
                 /* Pcket smaller than its length field */
-                return 0;
+                return false;
         }
 
         DEBUGP("IPv6 RT LEN %u %u ", hdrlen, rh->hdrlen);
@@ -136,7 +136,7 @@ match(const struct sk_buff *skb,
                 DEBUGP("Not strict ");
                 if (rtinfo->addrnr > (unsigned int)((hdrlen - 8) / 16)) {
                         DEBUGP("There isn't enough space\n");
-                        return 0;
+                        return false;
                 } else {
                         unsigned int i = 0;
 
@@ -164,13 +164,13 @@ match(const struct sk_buff *skb,
                         if (i == rtinfo->addrnr)
                                 return ret;
                         else
-                                return 0;
+                                return false;
                 }
         } else {
                 DEBUGP("Strict ");
                 if (rtinfo->addrnr > (unsigned int)((hdrlen - 8) / 16)) {
                         DEBUGP("There isn't enough space\n");
-                        return 0;
+                        return false;
                 } else {
                         DEBUGP("#%d ", rtinfo->addrnr);
                         for (temp = 0; temp < rtinfo->addrnr; temp++) {
@@ -190,11 +190,11 @@ match(const struct sk_buff *skb,
                             (temp == (unsigned int)((hdrlen - 8) / 16)))
                                 return ret;
                         else
-                                return 0;
+                                return false;
                 }
         }
 
-        return 0;
+        return false;
 }
 
 /* Called when user tries to insert an entry of this type. */