diff options
| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-07-19 22:34:43 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-19 22:34:43 -0700 |
| commit | 721499e8931c5732202481ae24f2dfbf9910f129 (patch) | |
| tree | c94d8d681966109bb41f712f21f3a9825ae2172d /net/can | |
| parent | 407d819cf0fd54c6fc1138a509225696aecafd15 (diff) | |
| download | lwn-721499e8931c5732202481ae24f2dfbf9910f129.tar.gz lwn-721499e8931c5732202481ae24f2dfbf9910f129.zip | |
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>
Diffstat (limited to 'net/can')
| -rw-r--r-- | net/can/af_can.c | 4 | ||||
| -rw-r--r-- | net/can/bcm.c | 2 | ||||
| -rw-r--r-- | net/can/raw.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c index 484bbf6dd032..8035fbf526ae 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -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) diff --git a/net/can/bcm.c b/net/can/bcm.c index 72c2ce904f83..d0dd382001e2 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -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) diff --git a/net/can/raw.c b/net/can/raw.c index 3e46ee36a1aa..6e0663faaf9f 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -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) |