diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index bb824a5d71bfcd4ffdc623211ff8c186a36b2665..6ef5c374ef8aa23766519f0ec3280806a23c7088 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -284,8 +284,8 @@ struct xfrm_policy_afinfo {
extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
extern int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo);
-extern void km_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c);
-extern void km_state_notify(struct xfrm_state *x, struct km_event *c);
+extern void km_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c);
+extern void km_state_notify(struct xfrm_state *x, const struct km_event *c);
struct xfrm_tmpl;
extern int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol);
@@ -548,11 +548,11 @@ struct xfrm_migrate {
struct xfrm_mgr {
struct list_head list;
char *id;
- int (*notify)(struct xfrm_state *x, struct km_event *c);
+ int (*notify)(struct xfrm_state *x, const struct km_event *c);
int (*acquire)(struct xfrm_state *x, struct xfrm_tmpl *, struct xfrm_policy *xp, int dir);
struct xfrm_policy *(*compile_policy)(struct sock *sk, int opt, u8 *data, int len, int *dir);
int (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
- int (*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
+ int (*notify_policy)(struct xfrm_policy *x, int dir, const struct km_event *c);
int (*report)(struct net *net, u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
int (*migrate)(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles, struct xfrm_kmaddress *k);
};
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 60fd2f13f427d3422b12e9e5698c52372759abb4..7c5e101e7c285c7d34a488896d849aebc1283d54 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1429,7 +1429,7 @@ static inline int event2keytype(int event)
}
/* ADD/UPD/DEL */
-static int key_notify_sa(struct xfrm_state *x, struct km_event *c)
+static int key_notify_sa(struct xfrm_state *x, const struct km_event *c)
{
struct sk_buff *skb;
struct sadb_msg *hdr;
@@ -1688,7 +1688,7 @@ static int unicast_flush_resp(struct sock *sk, struct sadb_msg *ihdr)
return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk));
}
-static int key_notify_sa_flush(struct km_event *c)
+static int key_notify_sa_flush(const struct km_event *c)
{
struct sk_buff *skb;
struct sadb_msg *hdr;
@@ -2123,7 +2123,7 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
return 0;
}
-static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c)
+static int key_notify_policy(struct xfrm_policy *xp, int dir, const struct km_event *c)
{
struct sk_buff *out_skb;
struct sadb_msg *out_hdr;
@@ -2660,7 +2660,7 @@ static int pfkey_spddump(struct sock *sk, struct sk_buff *skb, struct sadb_msg *
return pfkey_do_dump(pfk);
}
-static int key_notify_policy_flush(struct km_event *c)
+static int key_notify_policy_flush(const struct km_event *c)
{
struct sk_buff *skb_out;
struct sadb_msg *hdr;
@@ -2914,12 +2914,12 @@ static void dump_esp_combs(struct sk_buff *skb, struct xfrm_tmpl *t)
}
}
-static int key_notify_policy_expire(struct xfrm_policy *xp, struct km_event *c)
+static int key_notify_policy_expire(struct xfrm_policy *xp, const struct km_event *c)
{
return 0;
}
-static int key_notify_sa_expire(struct xfrm_state *x, struct km_event *c)
+static int key_notify_sa_expire(struct xfrm_state *x, const struct km_event *c)
{
struct sk_buff *out_skb;
struct sadb_msg *out_hdr;
@@ -2949,7 +2949,7 @@ static int key_notify_sa_expire(struct xfrm_state *x, struct km_event *c)
return 0;
}
-static int pfkey_send_notify(struct xfrm_state *x, struct km_event *c)
+static int pfkey_send_notify(struct xfrm_state *x, const struct km_event *c)
{
struct net *net = x ? xs_net(x) : c->net;
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
@@ -2976,7 +2976,7 @@ static int pfkey_send_notify(struct xfrm_state *x, struct km_event *c)
return 0;
}
-static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c)
+static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c)
{
if (xp && xp->type != XFRM_POLICY_TYPE_MAIN)
return 0;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 30a0f178819cb7c391c3afc91f08fd7b4a68e9b5..7028f063f093f4f7772cf33985354b601900a7b4 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1727,7 +1727,7 @@ void xfrm_replay_advance(struct xfrm_state *x, __be32 net_seq)
static LIST_HEAD(xfrm_km_list);
static DEFINE_RWLOCK(xfrm_km_lock);
-void km_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c)
+void km_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c)
{
struct xfrm_mgr *km;
@@ -1738,7 +1738,7 @@ void km_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c)
read_unlock(&xfrm_km_lock);
}
-void km_state_notify(struct xfrm_state *x, struct km_event *c)
+void km_state_notify(struct xfrm_state *x, const struct km_event *c)
{
struct xfrm_mgr *km;
read_lock(&xfrm_km_lock);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 61291965c5f60a0354ee499f664df340845bc9e7..2cc9dab29887f08b7ddcde2ee882ae07f834928d 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1582,7 +1582,7 @@ static inline size_t xfrm_aevent_msgsize(void)
+ nla_total_size(4); /* XFRM_AE_ETHR */
}
-static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, struct km_event *c)
+static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, const struct km_event *c)
{
struct xfrm_aevent_id *id;
struct nlmsghdr *nlh;
@@ -2220,7 +2220,7 @@ static inline size_t xfrm_expire_msgsize(void)
+ nla_total_size(sizeof(struct xfrm_mark));
}
-static int build_expire(struct sk_buff *skb, struct xfrm_state *x, struct km_event *c)
+static int build_expire(struct sk_buff *skb, struct xfrm_state *x, const struct km_event *c)
{
struct xfrm_user_expire *ue;
struct nlmsghdr *nlh;
@@ -2242,7 +2242,7 @@ static int build_expire(struct sk_buff *skb, struct xfrm_state *x, struct km_eve
return -EMSGSIZE;
}
-static int xfrm_exp_state_notify(struct xfrm_state *x, struct km_event *c)
+static int xfrm_exp_state_notify(struct xfrm_state *x, const struct km_event *c)
{
struct net *net = xs_net(x);
struct sk_buff *skb;
@@ -2259,7 +2259,7 @@ static int xfrm_exp_state_notify(struct xfrm_state *x, struct km_event *c)
return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_EXPIRE, GFP_ATOMIC);
}
-static int xfrm_aevent_state_notify(struct xfrm_state *x, struct km_event *c)
+static int xfrm_aevent_state_notify(struct xfrm_state *x, const struct km_event *c)
{
struct net *net = xs_net(x);
struct sk_buff *skb;
@@ -2274,7 +2274,7 @@ static int xfrm_aevent_state_notify(struct xfrm_state *x, struct km_event *c)
return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_AEVENTS, GFP_ATOMIC);
}
-static int xfrm_notify_sa_flush(struct km_event *c)
+static int xfrm_notify_sa_flush(const struct km_event *c)
{
struct net *net = c->net;
struct xfrm_usersa_flush *p;
@@ -2330,7 +2330,7 @@ static inline size_t xfrm_sa_len(struct xfrm_state *x)
return l;
}
-static int xfrm_notify_sa(struct xfrm_state *x, struct km_event *c)
+static int xfrm_notify_sa(struct xfrm_state *x, const struct km_event *c)
{
struct net *net = xs_net(x);
struct xfrm_usersa_info *p;
@@ -2387,7 +2387,7 @@ static int xfrm_notify_sa(struct xfrm_state *x, struct km_event *c)
return -1;
}
-static int xfrm_send_state_notify(struct xfrm_state *x, struct km_event *c)
+static int xfrm_send_state_notify(struct xfrm_state *x, const struct km_event *c)
{
switch (c->event) {
@@ -2546,7 +2546,7 @@ static inline size_t xfrm_polexpire_msgsize(struct xfrm_policy *xp)
}
static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp,
- int dir, struct km_event *c)
+ int dir, const struct km_event *c)
{
struct xfrm_user_polexpire *upe;
struct nlmsghdr *nlh;
@@ -2576,7 +2576,7 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp,
return -EMSGSIZE;
}
-static int xfrm_exp_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c)
+static int xfrm_exp_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c)
{
struct net *net = xp_net(xp);
struct sk_buff *skb;
@@ -2591,7 +2591,7 @@ static int xfrm_exp_policy_notify(struct xfrm_policy *xp, int dir, struct km_eve
return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_EXPIRE, GFP_ATOMIC);
}
-static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c)
+static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, const struct km_event *c)
{
struct net *net = xp_net(xp);
struct xfrm_userpolicy_info *p;
@@ -2656,7 +2656,7 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *
return -1;
}
-static int xfrm_notify_policy_flush(struct km_event *c)
+static int xfrm_notify_policy_flush(const struct km_event *c)
{
struct net *net = c->net;
struct nlmsghdr *nlh;
@@ -2681,7 +2681,7 @@ static int xfrm_notify_policy_flush(struct km_event *c)
return -1;
}
-static int xfrm_send_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c)
+static int xfrm_send_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c)
{
switch (c->event) {