diff options
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 edfd9cdd721..49d396620ea 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. |