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>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/can/af_can.c b/net/can/af_can.c
index 484bbf6dd03..8035fbf526a 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -615,7 +615,7 @@ static int can_rcv(struct sk_buff *skb, struct net_device *dev,
         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 @@ static int can_notifier(struct notifier_block *nb, unsigned long msg,
         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)