diff options
Diffstat (limited to 'net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c')
-rw-r--r-- | net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c index ac3d61d8026..a65b845c5f1 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c @@ -27,7 +27,8 @@ static int ipv4_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff, struct nf_conntrack_tuple *tuple) { - __be32 _addrs[2], *ap; + const __be32 *ap; + __be32 _addrs[2]; ap = skb_header_pointer(skb, nhoff + offsetof(struct iphdr, saddr), sizeof(u_int32_t) * 2, _addrs); if (ap == NULL) @@ -76,7 +77,8 @@ static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user) static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff, unsigned int *dataoff, u_int8_t *protonum) { - struct iphdr _iph, *iph; + const struct iphdr *iph; + struct iphdr _iph; iph = skb_header_pointer(skb, nhoff, sizeof(_iph), &_iph); if (iph == NULL) @@ -111,8 +113,8 @@ static unsigned int ipv4_conntrack_help(unsigned int hooknum, { struct nf_conn *ct; enum ip_conntrack_info ctinfo; - struct nf_conn_help *help; - struct nf_conntrack_helper *helper; + const struct nf_conn_help *help; + const struct nf_conntrack_helper *helper; /* This is where we call the helper: as the packet goes out. */ ct = nf_ct_get(skb, &ctinfo); @@ -299,8 +301,8 @@ static ctl_table ip_ct_sysctl_table[] = { static int getorigdst(struct sock *sk, int optval, void __user *user, int *len) { - struct inet_sock *inet = inet_sk(sk); - struct nf_conntrack_tuple_hash *h; + const struct inet_sock *inet = inet_sk(sk); + const struct nf_conntrack_tuple_hash *h; struct nf_conntrack_tuple tuple; NF_CT_TUPLE_U_BLANK(&tuple); |