[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/include/linux/inetdevice.h b/include/linux/inetdevice.h
index da05ab4..7009b0c 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -70,13 +70,13 @@
ipv4_devconf_set((in_dev), NET_IPV4_CONF_ ## attr, (val))
#define IN_DEV_ANDCONF(in_dev, attr) \
- (IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr) && \
+ (IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr) && \
IN_DEV_CONF_GET((in_dev), attr))
#define IN_DEV_ORCONF(in_dev, attr) \
- (IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr) || \
+ (IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr) || \
IN_DEV_CONF_GET((in_dev), attr))
#define IN_DEV_MAXCONF(in_dev, attr) \
- (max(IPV4_DEVCONF_ALL(in_dev->dev->nd_net, attr), \
+ (max(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr), \
IN_DEV_CONF_GET((in_dev), attr)))
#define IN_DEV_FORWARD(in_dev) IN_DEV_CONF_GET((in_dev), FORWARDING)