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authorHerbert Xu <herbert@gondor.apana.org.au>2007-11-13 21:45:58 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:53:52 -0800
commit0ebea8ef3559b545c37b016f44e84c3b33e47c39 (patch)
tree7a47787c1b830084ac2d36371490b9e2574e2472 /net/ipv6/mip6.c
parent668dc8af3150f837f7f0461001bbbc0ce25d7bdf (diff)
[IPSEC]: Move state lock into x->type->input
This patch releases the lock on the state before calling x->type->input. It also adds the lock to the spots where they're currently needed. Most of those places (all except mip6) are expected to disappear with async crypto. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/mip6.c')
-rw-r--r--net/ipv6/mip6.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index edfd9cdd721c..49d396620eac 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -128,12 +128,15 @@ static int mip6_destopt_input(struct xfrm_state *x, struct sk_buff *skb)
{
struct ipv6hdr *iph = ipv6_hdr(skb);
struct ipv6_destopt_hdr *destopt = (struct ipv6_destopt_hdr *)skb->data;
+ int err = destopt->nexthdr;
+ spin_lock(&x->lock);
if (!ipv6_addr_equal(&iph->saddr, (struct in6_addr *)x->coaddr) &&
!ipv6_addr_any((struct in6_addr *)x->coaddr))
- return -ENOENT;
+ err = -ENOENT;
+ spin_unlock(&x->lock);
- return destopt->nexthdr;
+ return err;
}
/* Destination Option Header is inserted.
@@ -344,12 +347,15 @@ static struct xfrm_type mip6_destopt_type =
static int mip6_rthdr_input(struct xfrm_state *x, struct sk_buff *skb)
{
struct rt2_hdr *rt2 = (struct rt2_hdr *)skb->data;
+ int err = rt2->rt_hdr.nexthdr;
+ spin_lock(&x->lock);
if (!ipv6_addr_equal(&rt2->addr, (struct in6_addr *)x->coaddr) &&
!ipv6_addr_any((struct in6_addr *)x->coaddr))
- return -ENOENT;
+ err = -ENOENT;
+ spin_unlock(&x->lock);
- return rt2->rt_hdr.nexthdr;
+ return err;
}
/* Routing Header type 2 is inserted.

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