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>
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 33790a8..4a5ba97 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -451,7 +451,7 @@
skb->sk = NULL; /* Initially we don't know who it's for */
skb->destructor = NULL; /* Who initializes this, dammit?! */
- if (dev_net(dev) != &init_net) {
+ if (!net_eq(dev_net(dev), &init_net)) {
kfree_skb(skb);
return 0;
}