[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index b9143d2a04e1..a69c5c427fe3 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -146,7 +146,7 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
         int (*rcv)(struct sk_buff *, struct net_device *,
                    struct packet_type *, struct net_device *);
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 goto drop;
 
         /*