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Diffstat (limited to 'net')
-rw-r--r--net/xfrm/xfrm_interface.c17
-rw-r--r--net/xfrm/xfrm_policy.c2
2 files changed, 15 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 82723ef44db3..555ee2aca6c0 100644
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -70,17 +70,28 @@ static struct xfrm_if *xfrmi_lookup(struct net *net, struct xfrm_state *x)
return NULL;
}
-static struct xfrm_if *xfrmi_decode_session(struct sk_buff *skb)
+static struct xfrm_if *xfrmi_decode_session(struct sk_buff *skb,
+ unsigned short family)
{
struct xfrmi_net *xfrmn;
- int ifindex;
struct xfrm_if *xi;
+ int ifindex = 0;
if (!secpath_exists(skb) || !skb->dev)
return NULL;
+ switch (family) {
+ case AF_INET6:
+ ifindex = inet6_sdif(skb);
+ break;
+ case AF_INET:
+ ifindex = inet_sdif(skb);
+ break;
+ }
+ if (!ifindex)
+ ifindex = skb->dev->ifindex;
+
xfrmn = net_generic(xs_net(xfrm_input_state(skb)), xfrmi_net_id);
- ifindex = skb->dev->ifindex;
for_each_xfrmi_rcu(xfrmn->xfrmi[0], xi) {
if (ifindex == xi->dev->ifindex &&
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index bf5d59270f79..ce1b262ce964 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2339,7 +2339,7 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
ifcb = xfrm_if_get_cb();
if (ifcb) {
- xi = ifcb->decode_session(skb);
+ xi = ifcb->decode_session(skb, family);
if (xi) {
if_id = xi->p.if_id;
net = xi->net;