commit 721499e8931c5732202481ae24f2dfbf9910f129
author YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Sat Jul 19 22:34:43 2008 -0700
committer David S. Miller <davem@davemloft.net> Sat Jul 19 22:34:43 2008 -0700
tree c94d8d681966109bb41f712f21f3a9825ae2172d
parent 407d819cf0fd54c6fc1138a509225696aecafd15

netns: Use net_eq() to compare net-namespaces for optimization.

Without CONFIG_NET_NS, namespace is always &init_net.
Compiler will be able to omit namespace comparisons with this patch.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/tipc/eth_media.c

diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index bc72fbc..fe43ef7 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -101,7 +101,7 @@
 	struct eth_bearer *eb_ptr = (struct eth_bearer *)pt->af_packet_priv;
 	u32 size;
 
-	if (dev_net(dev) != &init_net) {
+	if (!net_eq(dev_net(dev), &init_net)) {
 		kfree_skb(buf);
 		return 0;
 	}
@@ -198,7 +198,7 @@
 	struct eth_bearer *eb_ptr = &eth_bearers[0];
 	struct eth_bearer *stop = &eth_bearers[MAX_ETH_BEARERS];
 
-	if (dev_net(dev) != &init_net)
+	if (!net_eq(dev_net(dev), &init_net))
 		return NOTIFY_DONE;
 
 	while ((eb_ptr->dev != dev)) {