From: Pavel Emelyanov <xemul@openvz.org>
Date: Wed, 24 Mar 2010 07:43:17 +0000 (+0000)
Subject: ipv4: Cleanup struct net dereference in rt_intern_hash
X-Git-Tag: v2.6.34-rc3~9^2~16
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=b35ecb5d404c00f2420221ccbb1bbba1139353a4

ipv4: Cleanup struct net dereference in rt_intern_hash

There's no need in getting it 3 times and gcc isn't smart enough
to understand this himself.

This is just a cleanup before the fix (next patch).

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

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 54fd68c..124af16 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1212,11 +1212,11 @@ restart:
 		    slow_chain_length(rt_hash_table[hash].chain) > rt_chain_length_max) {
 			struct net *net = dev_net(rt->u.dst.dev);
 			int num = ++net->ipv4.current_rt_cache_rebuild_count;
-			if (!rt_caching(dev_net(rt->u.dst.dev))) {
+			if (!rt_caching(net)) {
 				printk(KERN_WARNING "%s: %d rebuilds is over limit, route caching disabled\n",
 					rt->u.dst.dev->name, num);
 			}
-			rt_emergency_hash_rebuild(dev_net(rt->u.dst.dev));
+			rt_emergency_hash_rebuild(net);
 		}
 	}