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netns xfrm: trivial netns propagations

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Take netns from xfrm_state or xfrm_policy.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan
2008-11-25 17:29:47 -08:00
committed by David S. Miller
parent 64d0cd0097
commit 98806f75ba
2 changed files with 43 additions and 31 deletions
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15
net/xfrm/xfrm_policy.c
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@@ -1069,29 +1069,32 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(struct sock *sk, int dir, struc
static void __xfrm_policy_link(struct xfrm_policy *pol, int dir)
{
struct net *net = xp_net(pol);
struct hlist_head *chain = policy_hash_bysel(&pol->selector,
pol->family, dir);
list_add(&pol->walk.all, &init_net.xfrm.policy_all);
list_add(&pol->walk.all, &net->xfrm.policy_all);
hlist_add_head(&pol->bydst, chain);
hlist_add_head(&pol->byidx, init_net.xfrm.policy_byidx+idx_hash(pol->index));
init_net.xfrm.policy_count[dir]++;
hlist_add_head(&pol->byidx, net->xfrm.policy_byidx+idx_hash(pol->index));
net->xfrm.policy_count[dir]++;
xfrm_pol_hold(pol);
if (xfrm_bydst_should_resize(&init_net, dir, NULL))
schedule_work(&init_net.xfrm.policy_hash_work);
if (xfrm_bydst_should_resize(net, dir, NULL))
schedule_work(&net->xfrm.policy_hash_work);
}
static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol,
int dir)
{
struct net *net = xp_net(pol);
if (hlist_unhashed(&pol->bydst))
return NULL;
hlist_del(&pol->bydst);
hlist_del(&pol->byidx);
list_del(&pol->walk.all);
init_net.xfrm.policy_count[dir]--;
net->xfrm.policy_count[dir]--;
return pol;
}