From 7cc3864d39837549c5ccb33c5b85183d6e6986bc Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Thu, 31 Jan 2008 04:53:05 -0800 Subject: [NETFILTER]: nf_{conntrack,nat}_icmp: constify and annotate Constify a few data tables use const qualifiers on variables where possible in the nf_conntrack_icmp* sources. Signed-off-by: Jan Engelhardt Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'net/ipv6/netfilter') diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c index 430db1de31e..0897d0f4c4a 100644 --- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c +++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c @@ -32,7 +32,8 @@ static int icmpv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff, struct nf_conntrack_tuple *tuple) { - struct icmp6hdr _hdr, *hp; + const struct icmp6hdr *hp; + struct icmp6hdr _hdr; hp = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr); if (hp == NULL) @@ -45,7 +46,7 @@ static int icmpv6_pkt_to_tuple(const struct sk_buff *skb, } /* Add 1; spaces filled with 0. */ -static u_int8_t invmap[] = { +static const u_int8_t invmap[] = { [ICMPV6_ECHO_REQUEST - 128] = ICMPV6_ECHO_REPLY + 1, [ICMPV6_ECHO_REPLY - 128] = ICMPV6_ECHO_REQUEST + 1, [ICMPV6_NI_QUERY - 128] = ICMPV6_NI_QUERY + 1, @@ -105,7 +106,7 @@ static int icmpv6_new(struct nf_conn *ct, const struct sk_buff *skb, unsigned int dataoff) { - static u_int8_t valid_new[] = { + static const u_int8_t valid_new[] = { [ICMPV6_ECHO_REQUEST - 128] = 1, [ICMPV6_NI_QUERY - 128] = 1 }; @@ -129,8 +130,8 @@ icmpv6_error_message(struct sk_buff *skb, unsigned int hooknum) { struct nf_conntrack_tuple intuple, origtuple; - struct nf_conntrack_tuple_hash *h; - struct nf_conntrack_l4proto *inproto; + const struct nf_conntrack_tuple_hash *h; + const struct nf_conntrack_l4proto *inproto; NF_CT_ASSERT(skb->nfct == NULL); @@ -176,7 +177,8 @@ static int icmpv6_error(struct sk_buff *skb, unsigned int dataoff, enum ip_conntrack_info *ctinfo, int pf, unsigned int hooknum) { - struct icmp6hdr _ih, *icmp6h; + const struct icmp6hdr *icmp6h; + struct icmp6hdr _ih; icmp6h = skb_header_pointer(skb, dataoff, sizeof(_ih), &_ih); if (icmp6h == NULL) { -- cgit v1.2.3