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authorJan Engelhardt <jengelh@computergmbh.de>2008-04-14 11:15:53 +0200
committerPatrick McHardy <kaber@trash.net>2008-04-14 11:15:53 +0200
commit09f263cd39751cada63dec2dccc71e67c00bc38c (patch)
tree99ec45362e3545b42757803bb43d926d39f3922a /net/ipv4
parent8ce8439a31f723f3aa28adf27fe8797a5678dde1 (diff)
[NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_l4proto
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/netfilter/nf_conntrack_proto_icmp.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
index 6873fddb352..193a845fe7f 100644
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -22,22 +22,21 @@
static unsigned long nf_ct_icmp_timeout __read_mostly = 30*HZ;
-static int icmp_pkt_to_tuple(const struct sk_buff *skb,
- unsigned int dataoff,
- struct nf_conntrack_tuple *tuple)
+static bool icmp_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff,
+ struct nf_conntrack_tuple *tuple)
{
const struct icmphdr *hp;
struct icmphdr _hdr;
hp = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr);
if (hp == NULL)
- return 0;
+ return false;
tuple->dst.u.icmp.type = hp->type;
tuple->src.u.icmp.id = hp->un.echo.id;
tuple->dst.u.icmp.code = hp->code;
- return 1;
+ return true;
}
/* Add 1; spaces filled with 0. */
@@ -52,17 +51,17 @@ static const u_int8_t invmap[] = {
[ICMP_ADDRESSREPLY] = ICMP_ADDRESS + 1
};
-static int icmp_invert_tuple(struct nf_conntrack_tuple *tuple,
- const struct nf_conntrack_tuple *orig)
+static bool icmp_invert_tuple(struct nf_conntrack_tuple *tuple,
+ const struct nf_conntrack_tuple *orig)
{
if (orig->dst.u.icmp.type >= sizeof(invmap)
|| !invmap[orig->dst.u.icmp.type])
- return 0;
+ return false;
tuple->src.u.icmp.id = orig->src.u.icmp.id;
tuple->dst.u.icmp.type = invmap[orig->dst.u.icmp.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. */
@@ -101,8 +100,8 @@ static int icmp_packet(struct nf_conn *ct,
}
/* Called when a new connection for this protocol found. */
-static int icmp_new(struct nf_conn *ct,
- const struct sk_buff *skb, unsigned int dataoff)
+static bool icmp_new(struct nf_conn *ct, const struct sk_buff *skb,
+ unsigned int dataoff)
{
static const u_int8_t valid_new[] = {
[ICMP_ECHO] = 1,
@@ -117,10 +116,10 @@ static int icmp_new(struct nf_conn *ct,
pr_debug("icmp: can't create new conn with type %u\n",
ct->tuplehash[0].tuple.dst.u.icmp.type);
NF_CT_DUMP_TUPLE(&ct->tuplehash[0].tuple);
- return 0;
+ return false;
}
atomic_set(&ct->proto.icmp.count, 0);
- return 1;
+ return true;
}
/* Returns conntrack if it dealt with ICMP, and filled in skb fields */