inet: add struct net argument to inet_ehashfn

Although this hash takes addresses into account, the ehash chains
can also be too long when, for instance, communications via lo occur.
So, prepare the inet_hashfn to take struct net into account.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 9fabe5b..85bb420 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -171,7 +171,8 @@
 extern u32 inet_ehash_secret;
 extern void build_ehash_secret(void);
 
-static inline unsigned int inet_ehashfn(const __be32 laddr, const __u16 lport,
+static inline unsigned int inet_ehashfn(struct net *net,
+					const __be32 laddr, const __u16 lport,
 					const __be32 faddr, const __be16 fport)
 {
 	return jhash_3words((__force __u32) laddr,
@@ -187,8 +188,9 @@
 	const __u16 lport = inet->num;
 	const __be32 faddr = inet->daddr;
 	const __be16 fport = inet->dport;
+	struct net *net = sock_net(sk);
 
-	return inet_ehashfn(laddr, lport, faddr, fport);
+	return inet_ehashfn(net, laddr, lport, faddr, fport);
 }