xfrm: Const'ify pointer args to km_migrate() and implementations.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index b60f956..17b296b 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -556,7 +556,11 @@ struct xfrm_mgr {
        int                     (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
        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);
+       int                     (*migrate)(const struct xfrm_selector *sel,
+                                          u8 dir, u8 type,
+                                          const struct xfrm_migrate *m,
+                                          int num_bundles,
+                                          const struct xfrm_kmaddress *k);
 };
 
 extern int xfrm_register_km(struct xfrm_mgr *km);
@@ -1483,9 +1487,9 @@ struct xfrm_state *xfrm_find_acq(struct net *net, struct xfrm_mark *mark,
 extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
 
 #ifdef CONFIG_XFRM_MIGRATE
-extern int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-                     struct xfrm_migrate *m, int num_bundles,
-                     struct xfrm_kmaddress *k);
+extern int km_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+                     const struct xfrm_migrate *m, int num_bundles,
+                     const struct xfrm_kmaddress *k);
 extern struct xfrm_state * xfrm_migrate_state_find(struct xfrm_migrate *m);
 extern struct xfrm_state * xfrm_state_migrate(struct xfrm_state *x,
                                              struct xfrm_migrate *m);

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 7c5e101..5637285 100644 (file)
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -690,7 +690,7 @@ static inline int pfkey_mode_to_xfrm(int mode)
        }
 }
 
-static unsigned int pfkey_sockaddr_fill(xfrm_address_t *xaddr, __be16 port,
+static unsigned int pfkey_sockaddr_fill(const xfrm_address_t *xaddr, __be16 port,
                                       struct sockaddr *sa,
                                       unsigned short family)
 {
@@ -3318,7 +3318,7 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr,
 
 #ifdef CONFIG_NET_KEY_MIGRATE
 static int set_sadb_address(struct sk_buff *skb, int sasize, int type,
-                           struct xfrm_selector *sel)
+                           const struct xfrm_selector *sel)
 {
        struct sadb_address *addr;
        addr = (struct sadb_address *)skb_put(skb, sizeof(struct sadb_address) + sasize);
@@ -3348,7 +3348,7 @@ static int set_sadb_address(struct sk_buff *skb, int sasize, int type,
 }
 
 
-static int set_sadb_kmaddress(struct sk_buff *skb, struct xfrm_kmaddress *k)
+static int set_sadb_kmaddress(struct sk_buff *skb, const struct xfrm_kmaddress *k)
 {
        struct sadb_x_kmaddress *kma;
        u8 *sa;
@@ -3376,7 +3376,7 @@ static int set_sadb_kmaddress(struct sk_buff *skb, struct xfrm_kmaddress *k)
 static int set_ipsecrequest(struct sk_buff *skb,
                            uint8_t proto, uint8_t mode, int level,
                            uint32_t reqid, uint8_t family,
-                           xfrm_address_t *src, xfrm_address_t *dst)
+                           const xfrm_address_t *src, const xfrm_address_t *dst)
 {
        struct sadb_x_ipsecrequest *rq;
        u8 *sa;
@@ -3404,9 +3404,9 @@ static int set_ipsecrequest(struct sk_buff *skb,
 #endif
 
 #ifdef CONFIG_NET_KEY_MIGRATE
-static int pfkey_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-                             struct xfrm_migrate *m, int num_bundles,
-                             struct xfrm_kmaddress *k)
+static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+                             const struct xfrm_migrate *m, int num_bundles,
+                             const struct xfrm_kmaddress *k)
 {
        int i;
        int sasize_sel;
@@ -3415,7 +3415,7 @@ static int pfkey_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
        struct sk_buff *skb;
        struct sadb_msg *hdr;
        struct sadb_x_policy *pol;
-       struct xfrm_migrate *mp;
+       const struct xfrm_migrate *mp;
 
        if (type != XFRM_POLICY_TYPE_MAIN)
                return 0;
@@ -3513,9 +3513,9 @@ err:
        return -EINVAL;
 }
 #else
-static int pfkey_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-                             struct xfrm_migrate *m, int num_bundles,
-                             struct xfrm_kmaddress *k)
+static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+                             const struct xfrm_migrate *m, int num_bundles,
+                             const struct xfrm_kmaddress *k)
 {
        return -ENOPROTOOPT;
 }

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 7028f06..555bedd 100644 (file)
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1819,9 +1819,9 @@ void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid)
 EXPORT_SYMBOL(km_policy_expired);
 
 #ifdef CONFIG_XFRM_MIGRATE
-int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-              struct xfrm_migrate *m, int num_migrate,
-              struct xfrm_kmaddress *k)
+int km_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+              const struct xfrm_migrate *m, int num_migrate,
+              const struct xfrm_kmaddress *k)
 {
        int err = -EINVAL;
        int ret;

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 2cc9dab..b43c1b1 100644 (file)
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1986,7 +1986,7 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh,
 #endif
 
 #ifdef CONFIG_XFRM_MIGRATE
-static int copy_to_user_migrate(struct xfrm_migrate *m, struct sk_buff *skb)
+static int copy_to_user_migrate(const struct xfrm_migrate *m, struct sk_buff *skb)
 {
        struct xfrm_user_migrate um;
 
@@ -2004,7 +2004,7 @@ static int copy_to_user_migrate(struct xfrm_migrate *m, struct sk_buff *skb)
        return nla_put(skb, XFRMA_MIGRATE, sizeof(um), &um);
 }
 
-static int copy_to_user_kmaddress(struct xfrm_kmaddress *k, struct sk_buff *skb)
+static int copy_to_user_kmaddress(const struct xfrm_kmaddress *k, struct sk_buff *skb)
 {
        struct xfrm_user_kmaddress uk;
 
@@ -2025,11 +2025,11 @@ static inline size_t xfrm_migrate_msgsize(int num_migrate, int with_kma)
              + userpolicy_type_attrsize();
 }
 
-static int build_migrate(struct sk_buff *skb, struct xfrm_migrate *m,
-                        int num_migrate, struct xfrm_kmaddress *k,
-                        struct xfrm_selector *sel, u8 dir, u8 type)
+static int build_migrate(struct sk_buff *skb, const struct xfrm_migrate *m,
+                        int num_migrate, const struct xfrm_kmaddress *k,
+                        const struct xfrm_selector *sel, u8 dir, u8 type)
 {
-       struct xfrm_migrate *mp;
+       const struct xfrm_migrate *mp;
        struct xfrm_userpolicy_id *pol_id;
        struct nlmsghdr *nlh;
        int i;
@@ -2061,9 +2061,9 @@ nlmsg_failure:
        return -EMSGSIZE;
 }
 
-static int xfrm_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-                            struct xfrm_migrate *m, int num_migrate,
-                            struct xfrm_kmaddress *k)
+static int xfrm_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+                            const struct xfrm_migrate *m, int num_migrate,
+                            const struct xfrm_kmaddress *k)
 {
        struct net *net = &init_net;
        struct sk_buff *skb;
@@ -2079,9 +2079,9 @@ static int xfrm_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
        return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_MIGRATE, GFP_ATOMIC);
 }
 #else
-static int xfrm_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
-                            struct xfrm_migrate *m, int num_migrate,
-                            struct xfrm_kmaddress *k)
+static int xfrm_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+                            const struct xfrm_migrate *m, int num_migrate,
+                            const struct xfrm_kmaddress *k)
 {
        return -ENOPROTOOPT;
 }