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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 

Steffen Klassert says:

====================
1) Some constifications, from Mathias Krause.

2) Catch bugs if a hold timer is still active when xfrm_policy_destroy()
   is called, from Fan Du.

3) Remove a redundant address family checking, from Fan Du.

4) Make xfrm_state timer monotonic to be independent of system clock changes,
   from Fan Du.

5) Remove an outdated comment on returning -EREMOTE in the xfrm_lookup(),
   from Rami Rosen.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2013-08-22 16:04:41 -07:00
parent 3bca8de220 e3fec5a1c5
commit baf3b3f227
4 changed files with 14 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/xfrm.h
View File

@ -1548,7 +1548,7 @@ struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8, int dir, u32
int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info);
u32 xfrm_get_acqseq(void);
extern int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
struct xfrm_state *xfrm_find_acq(struct net *net, struct xfrm_mark *mark,
struct xfrm_state *xfrm_find_acq(struct net *net, const struct xfrm_mark *mark,
u8 mode, u32 reqid, u8 proto,
const xfrm_address_t *daddr,
const xfrm_address_t *saddr, int create,

14
net/key/af_key.c
View File

@ -45,7 +45,7 @@ struct netns_pfkey {
static DEFINE_MUTEX(pfkey_mutex);
#define DUMMY_MARK 0
static struct xfrm_mark dummy_mark = {0, 0};
static const struct xfrm_mark dummy_mark = {0, 0};
struct pfkey_sock {
/* struct sock must be the first member of struct pfkey_sock */
struct sock sk;
@ -338,7 +338,7 @@ static int pfkey_error(const struct sadb_msg *orig, int err, struct sock *sk)
return 0;
}
static u8 sadb_ext_min_len[] = {
static const u8 sadb_ext_min_len[] = {
[SADB_EXT_RESERVED] = (u8) 0,
[SADB_EXT_SA] = (u8) sizeof(struct sadb_sa),
[SADB_EXT_LIFETIME_CURRENT] = (u8) sizeof(struct sadb_lifetime),
@ -1196,10 +1196,6 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
x->props.family = pfkey_sadb_addr2xfrm_addr((struct sadb_address *) ext_hdrs[SADB_EXT_ADDRESS_SRC-1],
&x->props.saddr);
if (!x->props.family) {
err = -EAFNOSUPPORT;
goto out;
}
pfkey_sadb_addr2xfrm_addr((struct sadb_address *) ext_hdrs[SADB_EXT_ADDRESS_DST-1],
&x->id.daddr);
@ -2205,10 +2201,6 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, const struct sadb_
sa = ext_hdrs[SADB_EXT_ADDRESS_SRC-1];
xp->family = pfkey_sadb_addr2xfrm_addr(sa, &xp->selector.saddr);
if (!xp->family) {
err = -EINVAL;
goto out;
}
xp->selector.family = xp->family;
xp->selector.prefixlen_s = sa->sadb_address_prefixlen;
xp->selector.proto = pfkey_proto_to_xfrm(sa->sadb_address_proto);
@ -2737,7 +2729,7 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, const struct sad
typedef int (*pfkey_handler)(struct sock *sk, struct sk_buff *skb,
const struct sadb_msg *hdr, void * const *ext_hdrs);
static pfkey_handler pfkey_funcs[SADB_MAX + 1] = {
static const pfkey_handler pfkey_funcs[SADB_MAX + 1] = {
[SADB_RESERVED] = pfkey_reserved,
[SADB_GETSPI] = pfkey_getspi,
[SADB_UPDATE] = pfkey_add,

4
net/xfrm/xfrm_policy.c
View File

@ -308,7 +308,7 @@ void xfrm_policy_destroy(struct xfrm_policy *policy)
{
BUG_ON(!policy->walk.dead);
if (del_timer(&policy->timer))
if (del_timer(&policy->timer) || del_timer(&policy->polq.hold_timer))
BUG();
security_xfrm_policy_free(policy->security);
@ -2132,8 +2132,6 @@ restart:
* have the xfrm_state's. We need to wait for KM to
* negotiate new SA's or bail out with error.*/
if (net->xfrm.sysctl_larval_drop) {
/* EREMOTE tells the caller to generate
* a one-shot blackhole route. */
dst_release(dst);
xfrm_pols_put(pols, drop_pols);
XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTNOSTATES);

15
net/xfrm/xfrm_state.c
View File

@ -499,7 +499,8 @@ struct xfrm_state *xfrm_state_alloc(struct net *net)
INIT_HLIST_NODE(&x->bydst);
INIT_HLIST_NODE(&x->bysrc);
INIT_HLIST_NODE(&x->byspi);
tasklet_hrtimer_init(&x->mtimer, xfrm_timer_handler, CLOCK_REALTIME, HRTIMER_MODE_ABS);
tasklet_hrtimer_init(&x->mtimer, xfrm_timer_handler,
CLOCK_BOOTTIME, HRTIMER_MODE_ABS);
setup_timer(&x->rtimer, xfrm_replay_timer_handler,
(unsigned long)x);
x->curlft.add_time = get_seconds();
@ -990,11 +991,13 @@ void xfrm_state_insert(struct xfrm_state *x)
EXPORT_SYMBOL(xfrm_state_insert);
/* xfrm_state_lock is held */
static struct xfrm_state *__find_acq_core(struct net *net, struct xfrm_mark *m,
static struct xfrm_state *__find_acq_core(struct net *net,
const struct xfrm_mark *m,
unsigned short family, u8 mode,
u32 reqid, u8 proto,
const xfrm_address_t *daddr,
const xfrm_address_t *saddr, int create)
const xfrm_address_t *saddr,
int create)
{
unsigned int h = xfrm_dst_hash(net, daddr, saddr, reqid, family);
struct xfrm_state *x;
@ -1399,9 +1402,9 @@ xfrm_state_lookup_byaddr(struct net *net, u32 mark,
EXPORT_SYMBOL(xfrm_state_lookup_byaddr);
struct xfrm_state *
xfrm_find_acq(struct net *net, struct xfrm_mark *mark, u8 mode, u32 reqid, u8 proto,
const xfrm_address_t *daddr, const xfrm_address_t *saddr,
int create, unsigned short family)
xfrm_find_acq(struct net *net, const struct xfrm_mark *mark, u8 mode, u32 reqid,
u8 proto, const xfrm_address_t *daddr,
const xfrm_address_t *saddr, int create, unsigned short family)
{
struct xfrm_state *x;