[NETFILTER]: nf_nat: use bool type in nf_nat_proto

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/ipv4/netfilter/nf_nat_proto_udplite.c b/net/ipv4/netfilter/nf_nat_proto_udplite.c
index b29346d0e7a..440a229bbd8 100644
--- a/net/ipv4/netfilter/nf_nat_proto_udplite.c
+++ b/net/ipv4/netfilter/nf_nat_proto_udplite.c
@@ -18,7 +18,7 @@
 
 static u_int16_t udplite_port_rover;
 
-static int
+static bool
 udplite_unique_tuple(struct nf_conntrack_tuple *tuple,
                      const struct nf_nat_range *range,
                      enum nf_nat_manip_type maniptype,
@@ -28,7 +28,7 @@ udplite_unique_tuple(struct nf_conntrack_tuple *tuple,
                                          &udplite_port_rover);
 }
 
-static int
+static bool
 udplite_manip_pkt(struct sk_buff *skb,
                   unsigned int iphdroff,
                   const struct nf_conntrack_tuple *tuple,
@@ -41,7 +41,7 @@ udplite_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);
@@ -66,7 +66,7 @@ udplite_manip_pkt(struct sk_buff *skb,
                 hdr->check = CSUM_MANGLED_0;
 
         *portptr = newport;
-        return 1;
+        return true;
 }
 
 static const struct nf_nat_protocol nf_nat_protocol_udplite = {