netfilter: nf_conntrack: constify sk_buff argument to nf_ct_attach()

[karo-tx-linux.git] / net / netfilter / core.c

diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 2217363ab4229212b0f309d1f724e1f23f5ceb17..593b16ea45e0d817787c4d06d9d3d703df2fc65b 100644 (file)
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -234,12 +234,13 @@ EXPORT_SYMBOL(skb_make_writable);
 /* This does not belong here, but locally generated errors need it if connection
    tracking in use: without this, connection may not be in hash table, and hence
    manufactured ICMP or RST packets will not be associated with it. */
-void (*ip_ct_attach)(struct sk_buff *, struct sk_buff *) __rcu __read_mostly;
+void (*ip_ct_attach)(struct sk_buff *, const struct sk_buff *)
+               __rcu __read_mostly;
 EXPORT_SYMBOL(ip_ct_attach);
 
-void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb)
+void nf_ct_attach(struct sk_buff *new, const struct sk_buff *skb)
 {
-       void (*attach)(struct sk_buff *, struct sk_buff *);
+       void (*attach)(struct sk_buff *, const struct sk_buff *);
 
        if (skb->nfct) {
                rcu_read_lock();