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netns: Use net_eq() to compare net-namespaces for optimization.

Browse source 
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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
YOSHIFUJI Hideaki 2008-07-19 22:34:43 -07:00 • committed by David S. Miller
commit 721499e893
38 changed files with 58 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

4
net/can/af_can.c
View file

@ -615,7 +615,7 @@ static int can_rcv(struct sk_buff *skb, struct net_device *dev,
struct can_frame *cf = (struct can_frame *)skb->data;
int matches;
if (dev->type != ARPHRD_CAN || dev_net(dev) != &init_net) {
if (dev->type != ARPHRD_CAN || !net_eq(dev_net(dev), &init_net)) {
kfree_skb(skb);
return 0;
}
@ -728,7 +728,7 @@ static int can_notifier(struct notifier_block *nb, unsigned long msg,
struct net_device *dev = (struct net_device *)data;
struct dev_rcv_lists *d;
if (dev_net(dev) != &init_net)
if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->type != ARPHRD_CAN)

2
net/can/bcm.c
View file

@ -1303,7 +1303,7 @@ static int bcm_notifier(struct notifier_block *nb, unsigned long msg,
struct bcm_op *op;
int notify_enodev = 0;
if (dev_net(dev) != &init_net)
if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->type != ARPHRD_CAN)

2
net/can/raw.c
View file

@ -210,7 +210,7 @@ static int raw_notifier(struct notifier_block *nb,
struct raw_sock *ro = container_of(nb, struct raw_sock, notifier);
struct sock *sk = &ro->sk;
if (dev_net(dev) != &init_net)
if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->type != ARPHRD_CAN)