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bridge: avoid ethtool on non running interface 

If bridge port is offline, don't call ethtool to query speed.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2010-08-24 13:12:56 +00:00 committed by David S. Miller
parent c5dadddb8c
commit aa7c6e5fa0
1 changed files with 12 additions and 11 deletions
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23
net/bridge/br_if.c
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@ -67,20 +67,21 @@ void br_port_carrier_check(struct net_bridge_port *p)
struct net_device *dev = p->dev;
struct net_bridge *br = p->br;
if (netif_carrier_ok(dev))
if (netif_running(dev) && netif_carrier_ok(dev))
p->path_cost = port_cost(dev);
if (netif_running(br->dev)) {
spin_lock_bh(&br->lock);
if (netif_carrier_ok(dev)) {
if (p->state == BR_STATE_DISABLED)
br_stp_enable_port(p);
} else {
if (p->state != BR_STATE_DISABLED)
br_stp_disable_port(p);
}
spin_unlock_bh(&br->lock);
if (!netif_running(br->dev))
return;
spin_lock_bh(&br->lock);
if (netif_running(dev) && netif_carrier_ok(dev)) {
if (p->state == BR_STATE_DISABLED)
br_stp_enable_port(p);
} else {
if (p->state != BR_STATE_DISABLED)
br_stp_disable_port(p);
}
spin_unlock_bh(&br->lock);
}
static void release_nbp(struct kobject *kobj)