[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/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 86ff271..0e4b34b 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -257,7 +257,7 @@
if (in_dev == NULL)
goto e_inval;
- net = dev->nd_net;
+ net = dev_net(dev);
if (fib_lookup(net, &fl, &res))
goto last_resort;
if (res.type != RTN_UNICAST)
@@ -674,7 +674,7 @@
static void fib_magic(int cmd, int type, __be32 dst, int dst_len, struct in_ifaddr *ifa)
{
- struct net *net = ifa->ifa_dev->dev->nd_net;
+ struct net *net = dev_net(ifa->ifa_dev->dev);
struct fib_table *tb;
struct fib_config cfg = {
.fc_protocol = RTPROT_KERNEL,
@@ -801,15 +801,15 @@
fib_magic(RTM_DELROUTE, RTN_LOCAL, ifa->ifa_local, 32, prim);
/* Check, that this local address finally disappeared. */
- if (inet_addr_type(dev->nd_net, ifa->ifa_local) != RTN_LOCAL) {
+ if (inet_addr_type(dev_net(dev), ifa->ifa_local) != RTN_LOCAL) {
/* And the last, but not the least thing.
We must flush stray FIB entries.
First of all, we scan fib_info list searching
for stray nexthop entries, then ignite fib_flush.
*/
- if (fib_sync_down_addr(dev->nd_net, ifa->ifa_local))
- fib_flush(dev->nd_net);
+ if (fib_sync_down_addr(dev_net(dev), ifa->ifa_local))
+ fib_flush(dev_net(dev));
}
}
#undef LOCAL_OK
@@ -899,7 +899,7 @@
static void fib_disable_ip(struct net_device *dev, int force)
{
if (fib_sync_down_dev(dev, force))
- fib_flush(dev->nd_net);
+ fib_flush(dev_net(dev));
rt_cache_flush(0);
arp_ifdown(dev);
}