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>
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 44cd42f..07b5b82 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -648,7 +648,7 @@
{
struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event == NETDEV_DOWN)
@@ -1405,7 +1405,7 @@
int origlen;
__u16 len_hops;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto freeit;
/* Don't mangle buffer if shared */
@@ -1493,7 +1493,7 @@
static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto freeit;
/* Expand any short form frames */