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, 2 insertions, 2 deletions

diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c
index 69d699f95f4c..01489681fa96 100644
--- a/net/netfilter/nf_sockopt.c
+++ b/net/netfilter/nf_sockopt.c
@@ -65,7 +65,7 @@ static struct nf_sockopt_ops *nf_sockopt_find(struct sock *sk, int pf,
 {
         struct nf_sockopt_ops *ops;
 
-        if (sock_net(sk) != &init_net)
+        if (!net_eq(sock_net(sk), &init_net))
                 return ERR_PTR(-ENOPROTOOPT);
 
         if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0)
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 04e9c965f8ca..8c860112ce05 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -555,7 +555,7 @@ nfqnl_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 */