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/can/af_can.c b/net/can/af_can.c
index 484bbf6..8035fbf5 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -615,7 +615,7 @@
struct can_frame *cf = (struct can_frame *)skb->data;
int matches;
- if (dev->type != ARPHRD_CAN || dev_net(dev) != &init_net) {
+ if (dev->type != ARPHRD_CAN || !net_eq(dev_net(dev), &init_net)) {
kfree_skb(skb);
return 0;
}
@@ -728,7 +728,7 @@
struct net_device *dev = (struct net_device *)data;
struct dev_rcv_lists *d;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->type != ARPHRD_CAN)