[NETFILTER]: nf_nat: use bool type in nf_nat_proto

[safe/jmp/linux-2.6] / net / ipv4 / netfilter / nf_nat_proto_udp.c

diff --git a/net/ipv4/netfilter/nf_nat_proto_udp.c b/net/ipv4/netfilter/nf_nat_proto_udp.c
index 74a7e7b..9e61c79 100644 (file)
--- a/net/ipv4/netfilter/nf_nat_proto_udp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_udp.c
@@ -19,7 +19,7 @@
 
 static u_int16_t udp_port_rover;
 
-static int
+static bool
 udp_unique_tuple(struct nf_conntrack_tuple *tuple,
                 const struct nf_nat_range *range,
                 enum nf_nat_manip_type maniptype,
@@ -29,7 +29,7 @@ udp_unique_tuple(struct nf_conntrack_tuple *tuple,
                                         &udp_port_rover);
 }
 
-static int
+static bool
 udp_manip_pkt(struct sk_buff *skb,
              unsigned int iphdroff,
              const struct nf_conntrack_tuple *tuple,
@@ -42,7 +42,7 @@ udp_manip_pkt(struct sk_buff *skb,
        __be16 *portptr, newport;
 
        if (!skb_make_writable(skb, hdroff + sizeof(*hdr)))
-               return 0;
+               return false;
 
        iph = (struct iphdr *)(skb->data + iphdroff);
        hdr = (struct udphdr *)(skb->data + hdroff);
@@ -68,7 +68,7 @@ udp_manip_pkt(struct sk_buff *skb,
                        hdr->check = CSUM_MANGLED_0;
        }
        *portptr = newport;
-       return 1;
+       return true;
 }
 
 const struct nf_nat_protocol nf_nat_protocol_udp = {