diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-11-13 21:45:58 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:53:52 -0800 |
| commit | 0ebea8ef3559b545c37b016f44e84c3b33e47c39 (patch) | |
| tree | 7a47787c1b830084ac2d36371490b9e2574e2472 /net/ipv6/mip6.c | |
| parent | 668dc8af3150f837f7f0461001bbbc0ce25d7bdf (diff) | |
| download | linux-0ebea8ef3559b545c37b016f44e84c3b33e47c39.tar.gz linux-0ebea8ef3559b545c37b016f44e84c3b33e47c39.tar.bz2 linux-0ebea8ef3559b545c37b016f44e84c3b33e47c39.zip | |
[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.c | 14 |
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. |