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>

3 files changed, 3 insertions, 3 deletions

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 0b41aa2675f5..095bc453ff4c 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -935,7 +935,7 @@ static int ip6mr_device_event(struct notifier_block *this,
         struct mif_device *v;
         int ct;
 
-        if (dev_net(dev) != &init_net)
+        if (!net_eq(dev_net(dev), &init_net))
                 return NOTIFY_DONE;
 
         if (event != NETDEV_UNREGISTER)
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 1b8815f6153d..5859c046cbc4 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -480,7 +480,7 @@ ipq_rcv_dev_event(struct notifier_block *this,
 {
         struct net_device *dev = ptr;
 
-        if (dev_net(dev) != &init_net)
+        if (!net_eq(dev_net(dev), &init_net))
                 return NOTIFY_DONE;
 
         /* Drop any packets associated with the downed device */
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 70940b3654a1..f82f6074cf85 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -214,7 +214,7 @@ int snmp6_register_dev(struct inet6_dev *idev)
         if (!idev || !idev->dev)
                 return -EINVAL;
 
-        if (dev_net(idev->dev) != &init_net)
+        if (!net_eq(dev_net(idev->dev), &init_net))
                 return 0;
 
         if (!proc_net_devsnmp6)