[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/netfilter/xt_esp.c b/net/netfilter/xt_esp.c
index 5d3421bcd85..1a945cb7c35 100644
--- a/net/netfilter/xt_esp.c
+++ b/net/netfilter/xt_esp.c
@@ -31,10 +31,10 @@ MODULE_ALIAS("ip6t_esp");
 #endif
 
 /* Returns 1 if the spi is matched by the range, 0 otherwise */
-static inline int
-spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, int invert)
+static inline bool
+spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, bool invert)
 {
-        int r = 0;
+        bool r;
         duprintf("esp spi_match:%c 0x%x <= 0x%x <= 0x%x", invert ? '!' : ' ',
                  min, spi, max);
         r = (spi >= min && spi <= max) ^ invert;
@@ -42,7 +42,7 @@ spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, 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,
 
         /* Must not be a fragment. */
         if (offset)
-                return 0;
+                return false;
 
         eh = skb_header_pointer(skb, protoff, sizeof(_esp), &_esp);
         if (eh == NULL) {
@@ -66,7 +66,7 @@ match(const struct sk_buff *skb,
                  */
                 duprintf("Dropping evil ESP tinygram.\n");
                 *hotdrop = true;
-                return 0;
+                return false;
         }
 
         return spi_match(espinfo->spis[0], espinfo->spis[1], ntohl(eh->spi),