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

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Signed-off-by: David S. Miller <davem@davemloft.net>
tirimbino
David S. Miller 14 years ago
parent dd701754e7
commit 183cad1278
4 changed files with 34 additions and 30 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 12
      include/net/xfrm.h
  2. 22
      net/key/af_key.c
  3. 6
      net/xfrm/xfrm_state.c
  4. 24
      net/xfrm/xfrm_user.c

12
include/net/xfrm.h
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@ -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);

22
net/key/af_key.c
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@ -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;
}

6
net/xfrm/xfrm_state.c
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@ -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;

24
net/xfrm/xfrm_user.c
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@ -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;
}

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