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/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index b88aa9a..42065ff 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -432,7 +432,7 @@
unsigned char *sha, *tha; /* s for "source", t for "target" */
struct ic_device *d;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto drop;
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
@@ -852,7 +852,7 @@
struct ic_device *d;
int len, ext_len;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto drop;
/* Perform verifications before taking the lock. */