[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.
Introduce per-net_device inlines: dev_net(), dev_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 36b9f22..2759b76 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -599,7 +599,7 @@
struct dev_rcv_lists *d;
int matches;
- if (dev->type != ARPHRD_CAN || dev->nd_net != &init_net) {
+ if (dev->type != ARPHRD_CAN || dev_net(dev) != &init_net) {
kfree_skb(skb);
return 0;
}
@@ -710,7 +710,7 @@
struct net_device *dev = (struct net_device *)data;
struct dev_rcv_lists *d;
- if (dev->nd_net != &init_net)
+ if (dev_net(dev) != &init_net)
return NOTIFY_DONE;
if (dev->type != ARPHRD_CAN)