netns xfrm: ->get_saddr in netns

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/xfrm.h

@@ -269,7 +269,7 @@ struct xfrm_policy_afinfo {
 	struct dst_entry	*(*dst_lookup)(struct net *net, int tos,
 					       xfrm_address_t *saddr,
 					       xfrm_address_t *daddr);
-	int			(*get_saddr)(xfrm_address_t *saddr, xfrm_address_t *daddr);
+	int			(*get_saddr)(struct net *net, xfrm_address_t *saddr, xfrm_address_t *daddr);
 	struct dst_entry	*(*find_bundle)(struct flowi *fl, struct xfrm_policy *policy);
 	void			(*decode_session)(struct sk_buff *skb,
 						  struct flowi *fl,

net/ipv4/xfrm4_policy.c

@@ -44,12 +44,13 @@ static struct dst_entry *xfrm4_dst_lookup(struct net *net, int tos,
 	return dst;
 }
 
-static int xfrm4_get_saddr(xfrm_address_t *saddr, xfrm_address_t *daddr)
+static int xfrm4_get_saddr(struct net *net,
+			   xfrm_address_t *saddr, xfrm_address_t *daddr)
 {
 	struct dst_entry *dst;
 	struct rtable *rt;
 
-	dst = xfrm4_dst_lookup(&init_net, 0, NULL, daddr);
+	dst = xfrm4_dst_lookup(net, 0, NULL, daddr);
 	if (IS_ERR(dst))
 		return -EHOSTUNREACH;
 

net/ipv6/xfrm6_policy.c

@@ -50,12 +50,13 @@ static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos,
 	return dst;
 }
 
-static int xfrm6_get_saddr(xfrm_address_t *saddr, xfrm_address_t *daddr)
+static int xfrm6_get_saddr(struct net *net,
+			   xfrm_address_t *saddr, xfrm_address_t *daddr)
 {
 	struct dst_entry *dst;
 	struct net_device *dev;
 
-	dst = xfrm6_dst_lookup(&init_net, 0, NULL, daddr);
+	dst = xfrm6_dst_lookup(net, 0, NULL, daddr);
 	if (IS_ERR(dst))
 		return -EHOSTUNREACH;
 

net/xfrm/xfrm_policy.c

@@ -1187,7 +1187,7 @@ int __xfrm_sk_clone_policy(struct sock *sk)
 }
 
 static int
-xfrm_get_saddr(xfrm_address_t *local, xfrm_address_t *remote,
+xfrm_get_saddr(struct net *net, xfrm_address_t *local, xfrm_address_t *remote,
 	       unsigned short family)
 {
 	int err;
@@ -1195,7 +1195,7 @@ xfrm_get_saddr(xfrm_address_t *local, xfrm_address_t *remote,
 
 	if (unlikely(afinfo == NULL))
 		return -EINVAL;
-	err = afinfo->get_saddr(local, remote);
+	err = afinfo->get_saddr(net, local, remote);
 	xfrm_policy_put_afinfo(afinfo);
 	return err;
 }
@@ -1207,6 +1207,7 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, struct flowi *fl,
 		      struct xfrm_state **xfrm,
 		      unsigned short family)
 {
+	struct net *net = xp_net(policy);
 	int nx;
 	int i, error;
 	xfrm_address_t *daddr = xfrm_flowi_daddr(fl, family);
@@ -1225,7 +1226,7 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, struct flowi *fl,
 			local = &tmpl->saddr;
 			family = tmpl->encap_family;
 			if (xfrm_addr_any(local, family)) {
-				error = xfrm_get_saddr(&tmp, remote, family);
+				error = xfrm_get_saddr(net, &tmp, remote, family);
 				if (error)
 					goto fail;
 				local = &tmp;