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authorRoopa Prabhu <roopa@cumulusnetworks.com>2015-07-30 13:34:53 -0700
committerDavid S. Miller <davem@davemloft.net>2015-07-31 15:21:30 -0700
commit343d60aada5a358ca186d6e9e353230379c426d8 (patch)
tree1cd1a42dc4fcab67bb614649d385ace0c0a3f7a2 /net/ipv6/ip6_output.c
parentd3aa45ce6b94c65b83971257317867db13e5f492 (diff)
downloadlinux-sh-343d60aada5a358ca186d6e9e353230379c426d8.tar.gz
ipv6: change ipv6_stub_impl.ipv6_dst_lookup to take net argument
This patch adds net argument to ipv6_stub_impl.ipv6_dst_lookup for use cases where sk is not available (like mpls). sk appears to be needed to get the namespace 'net' and is optional otherwise. This patch series changes ipv6_stub_impl.ipv6_dst_lookup to take net argument. sk remains optional. All callers of ipv6_stub_impl.ipv6_dst_lookup have been modified to pass net. I have modified them to use already available 'net' in the scope of the call. I can change them to sock_net(sk) to avoid any unintended change in behaviour if sock namespace is different. They dont seem to be from code inspection. Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_output.c')
-rw-r--r--net/ipv6/ip6_output.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index c5fc85286ef6..92b7cf0dc1f9 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -881,10 +881,9 @@ out:
return dst;
}
-static int ip6_dst_lookup_tail(struct sock *sk,
+static int ip6_dst_lookup_tail(struct net *net, struct sock *sk,
struct dst_entry **dst, struct flowi6 *fl6)
{
- struct net *net = sock_net(sk);
#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
struct neighbour *n;
struct rt6_info *rt;
@@ -994,10 +993,11 @@ out_err_release:
*
* It returns zero on success, or a standard errno code on error.
*/
-int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi6 *fl6)
+int ip6_dst_lookup(struct net *net, struct sock *sk, struct dst_entry **dst,
+ struct flowi6 *fl6)
{
*dst = NULL;
- return ip6_dst_lookup_tail(sk, dst, fl6);
+ return ip6_dst_lookup_tail(net, sk, dst, fl6);
}
EXPORT_SYMBOL_GPL(ip6_dst_lookup);
@@ -1018,7 +1018,7 @@ struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
struct dst_entry *dst = NULL;
int err;
- err = ip6_dst_lookup_tail(sk, &dst, fl6);
+ err = ip6_dst_lookup_tail(sock_net(sk), sk, &dst, fl6);
if (err)
return ERR_PTR(err);
if (final_dst)
@@ -1052,7 +1052,7 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
dst = ip6_sk_dst_check(sk, dst, fl6);
- err = ip6_dst_lookup_tail(sk, &dst, fl6);
+ err = ip6_dst_lookup_tail(sock_net(sk), sk, &dst, fl6);
if (err)
return ERR_PTR(err);
if (final_dst)