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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2008-11-25 17:21:45 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-25 17:21:45 -0800 |
| commit | 0331b1f383e1fa4049f8e75cafeea8f006171c64 (patch) | |
| tree | 69409ab7c17e1527ed063bb4f2eda440e2cb4ea2 /net | |
| parent | 50a30657fd7ee77a94a6bf0ad86eba7c37c3032e (diff) | |
| download | linux-3.10-0331b1f383e1fa4049f8e75cafeea8f006171c64.tar.gz linux-3.10-0331b1f383e1fa4049f8e75cafeea8f006171c64.tar.bz2 linux-3.10-0331b1f383e1fa4049f8e75cafeea8f006171c64.zip | |
netns xfrm: add struct xfrm_policy::xp_net
Again, to avoid complications with passing netns when not necessary.
Again, ->xp_net is set-once field, once set it never changes.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/key/af_key.c | 4 | ||||
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 5 | ||||
| -rw-r--r-- | net/xfrm/xfrm_user.c | 4 |
3 files changed, 7 insertions, 6 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c index f202ba6c8dc..036315d6b66 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -2174,7 +2174,7 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h if (!pol->sadb_x_policy_dir || pol->sadb_x_policy_dir >= IPSEC_DIR_MAX) return -EINVAL; - xp = xfrm_policy_alloc(GFP_KERNEL); + xp = xfrm_policy_alloc(&init_net, GFP_KERNEL); if (xp == NULL) return -ENOBUFS; @@ -3141,7 +3141,7 @@ static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt, (!pol->sadb_x_policy_dir || pol->sadb_x_policy_dir > IPSEC_DIR_OUTBOUND)) return NULL; - xp = xfrm_policy_alloc(GFP_ATOMIC); + xp = xfrm_policy_alloc(&init_net, GFP_ATOMIC); if (xp == NULL) { *dir = -ENOBUFS; return NULL; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index cf2bf3aa7ab..3eccefae2c8 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -228,13 +228,14 @@ expired: * SPD calls. */ -struct xfrm_policy *xfrm_policy_alloc(gfp_t gfp) +struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp) { struct xfrm_policy *policy; policy = kzalloc(sizeof(struct xfrm_policy), gfp); if (policy) { + write_pnet(&policy->xp_net, net); INIT_LIST_HEAD(&policy->walk.all); INIT_HLIST_NODE(&policy->bydst); INIT_HLIST_NODE(&policy->byidx); @@ -1153,7 +1154,7 @@ int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol) static struct xfrm_policy *clone_policy(struct xfrm_policy *old, int dir) { - struct xfrm_policy *newp = xfrm_policy_alloc(GFP_ATOMIC); + struct xfrm_policy *newp = xfrm_policy_alloc(xp_net(old), GFP_ATOMIC); if (newp) { newp->selector = old->selector; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 65cdaa5c228..765c01e784e 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1080,7 +1080,7 @@ static void copy_to_user_policy(struct xfrm_policy *xp, struct xfrm_userpolicy_i static struct xfrm_policy *xfrm_policy_construct(struct xfrm_userpolicy_info *p, struct nlattr **attrs, int *errp) { - struct xfrm_policy *xp = xfrm_policy_alloc(GFP_KERNEL); + struct xfrm_policy *xp = xfrm_policy_alloc(&init_net, GFP_KERNEL); int err; if (!xp) { @@ -2291,7 +2291,7 @@ static struct xfrm_policy *xfrm_compile_policy(struct sock *sk, int opt, if (p->dir > XFRM_POLICY_OUT) return NULL; - xp = xfrm_policy_alloc(GFP_KERNEL); + xp = xfrm_policy_alloc(&init_net, GFP_KERNEL); if (xp == NULL) { *dir = -ENOBUFS; return NULL; |