[NETNS]: Make icmp_sk per namespace.

All preparations are done. Now just add a hook to perform an
initialization on namespace startup and replace icmp_sk macro with
proper inline call.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index a9b4f6086294..504fde174525 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -26,6 +26,8 @@ struct netns_ipv4 {
         struct hlist_head       *fib_table_hash;
         struct sock             *fibnl;
 
+        struct sock             **icmp_sk;
+
         struct netns_frags      frags;
 #ifdef CONFIG_NETFILTER
         struct xt_table         *iptable_filter;