inet: add struct net argument to inet_bhashfn

Binding to some port in many namespaces may create too long
chains in bhash-es, so prepare the hashfn to take struct net
into account.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index ce16e9ac24c..06006a5ac8b 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -32,7 +32,8 @@ static void __inet_twsk_kill(struct inet_timewait_sock *tw,
         write_unlock(lock);
 
         /* Disassociate with bind bucket. */
-        bhead = &hashinfo->bhash[inet_bhashfn(tw->tw_num, hashinfo->bhash_size)];
+        bhead = &hashinfo->bhash[inet_bhashfn(twsk_net(tw), tw->tw_num,
+                        hashinfo->bhash_size)];
         spin_lock(&bhead->lock);
         tb = tw->tw_tb;
         __hlist_del(&tw->tw_bind_node);
@@ -81,7 +82,8 @@ void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk,
            Note, that any socket with inet->num != 0 MUST be bound in
            binding cache, even if it is closed.
          */
-        bhead = &hashinfo->bhash[inet_bhashfn(inet->num, hashinfo->bhash_size)];
+        bhead = &hashinfo->bhash[inet_bhashfn(twsk_net(tw), inet->num,
+                        hashinfo->bhash_size)];
         spin_lock(&bhead->lock);
         tw->tw_tb = icsk->icsk_bind_hash;
         BUG_TRAP(icsk->icsk_bind_hash);