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>

2 files changed, 5 insertions, 5 deletions

diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index 25aa37ce9430..b25c1e909d14 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -333,7 +333,7 @@ static int aarp_device_event(struct notifier_block *this, unsigned long event,
         struct net_device *dev = ptr;
         int ct;
 
-        if (dev_net(dev) != &init_net)
+        if (!net_eq(dev_net(dev), &init_net))
                 return NOTIFY_DONE;
 
         if (event == NETDEV_DOWN) {
@@ -716,7 +716,7 @@ static int aarp_rcv(struct sk_buff *skb, struct net_device *dev,
         struct atalk_addr sa, *ma, da;
         struct atalk_iface *ifa;
 
-        if (dev_net(dev) != &init_net)
+        if (!net_eq(dev_net(dev), &init_net))
                 goto out0;
 
         /* We only do Ethernet SNAP AARP. */
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 44cd42f7786b..07b5b82c5eab 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -648,7 +648,7 @@ static int ddp_device_event(struct notifier_block *this, unsigned long event,
 {
         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 @@ static int atalk_rcv(struct sk_buff *skb, struct net_device *dev,
         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 @@ freeit:
 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 */