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-rw-r--r--net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 0897d0f4c4a..9ad40e0e17f 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -28,21 +28,21 @@
static unsigned long nf_ct_icmpv6_timeout __read_mostly = 30*HZ;
-static int icmpv6_pkt_to_tuple(const struct sk_buff *skb,
- unsigned int dataoff,
- struct nf_conntrack_tuple *tuple)
+static bool icmpv6_pkt_to_tuple(const struct sk_buff *skb,
+ unsigned int dataoff,
+ struct nf_conntrack_tuple *tuple)
{
const struct icmp6hdr *hp;
struct icmp6hdr _hdr;
hp = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr);
if (hp == NULL)
- return 0;
+ return false;
tuple->dst.u.icmp.type = hp->icmp6_type;
tuple->src.u.icmp.id = hp->icmp6_identifier;
tuple->dst.u.icmp.code = hp->icmp6_code;
- return 1;
+ return true;
}
/* Add 1; spaces filled with 0. */
@@ -53,17 +53,17 @@ static const u_int8_t invmap[] = {
[ICMPV6_NI_REPLY - 128] = ICMPV6_NI_REPLY +1
};
-static int icmpv6_invert_tuple(struct nf_conntrack_tuple *tuple,
- const struct nf_conntrack_tuple *orig)
+static bool icmpv6_invert_tuple(struct nf_conntrack_tuple *tuple,
+ const struct nf_conntrack_tuple *orig)
{
int type = orig->dst.u.icmp.type - 128;
if (type < 0 || type >= sizeof(invmap) || !invmap[type])
- return 0;
+ return false;
tuple->src.u.icmp.id = orig->src.u.icmp.id;
tuple->dst.u.icmp.type = invmap[type] - 1;
tuple->dst.u.icmp.code = orig->dst.u.icmp.code;
- return 1;
+ return true;
}
/* Print out the per-protocol part of the tuple. */
@@ -102,9 +102,8 @@ static int icmpv6_packet(struct nf_conn *ct,
}
/* Called when a new connection for this protocol found. */
-static int icmpv6_new(struct nf_conn *ct,
- const struct sk_buff *skb,
- unsigned int dataoff)
+static bool icmpv6_new(struct nf_conn *ct, const struct sk_buff *skb,
+ unsigned int dataoff)
{
static const u_int8_t valid_new[] = {
[ICMPV6_ECHO_REQUEST - 128] = 1,
@@ -117,10 +116,10 @@ static int icmpv6_new(struct nf_conn *ct,
pr_debug("icmpv6: can't create new conn with type %u\n",
type + 128);
NF_CT_DUMP_TUPLE(&ct->tuplehash[0].tuple);
- return 0;
+ return false;
}
atomic_set(&ct->proto.icmp.count, 0);
- return 1;
+ return true;
}
static int