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path: root/net/bridge/br_if.c
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Diffstat (limited to 'net/bridge/br_if.c')
-rw-r--r--net/bridge/br_if.c42
1 files changed, 22 insertions, 20 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 7fa3a5a9971f..59eef42d4a42 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -81,26 +81,27 @@ static void port_carrier_check(void *arg)
{
struct net_device *dev = arg;
struct net_bridge_port *p;
+ struct net_bridge *br;
rtnl_lock();
p = dev->br_port;
if (!p)
goto done;
-
- if (netif_carrier_ok(p->dev)) {
- u32 cost = port_cost(p->dev);
-
- spin_lock_bh(&p->br->lock);
- if (p->state == BR_STATE_DISABLED) {
- p->path_cost = cost;
- br_stp_enable_port(p);
+ br = p->br;
+
+ if (netif_carrier_ok(dev))
+ p->path_cost = port_cost(dev);
+
+ if (br->dev->flags & IFF_UP) {
+ 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(&p->br->lock);
- } else {
- spin_lock_bh(&p->br->lock);
- if (p->state != BR_STATE_DISABLED)
- br_stp_disable_port(p);
- spin_unlock_bh(&p->br->lock);
+ spin_unlock_bh(&br->lock);
}
done:
rtnl_unlock();
@@ -168,6 +169,7 @@ static void del_nbp(struct net_bridge_port *p)
rcu_assign_pointer(dev->br_port, NULL);
+ kobject_uevent(&p->kobj, KOBJ_REMOVE);
kobject_del(&p->kobj);
call_rcu(&p->rcu, destroy_nbp_rcu);
@@ -208,7 +210,8 @@ static struct net_device *new_bridge_dev(const char *name)
br->bridge_id.prio[0] = 0x80;
br->bridge_id.prio[1] = 0x00;
- memset(br->bridge_id.addr, 0, ETH_ALEN);
+
+ memcpy(br->group_addr, br_group_address, ETH_ALEN);
br->feature_mask = dev->features;
br->stp_enabled = 0;
@@ -235,12 +238,11 @@ static int find_portno(struct net_bridge *br)
struct net_bridge_port *p;
unsigned long *inuse;
- inuse = kmalloc(BITS_TO_LONGS(BR_MAX_PORTS)*sizeof(unsigned long),
+ inuse = kcalloc(BITS_TO_LONGS(BR_MAX_PORTS), sizeof(unsigned long),
GFP_KERNEL);
if (!inuse)
return -ENOMEM;
- memset(inuse, 0, BITS_TO_LONGS(BR_MAX_PORTS)*sizeof(unsigned long));
set_bit(0, inuse); /* zero is reserved */
list_for_each_entry(p, &br->port_list, list) {
set_bit(p->port_no, inuse);
@@ -262,11 +264,10 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
if (index < 0)
return ERR_PTR(index);
- p = kmalloc(sizeof(*p), GFP_KERNEL);
+ p = kzalloc(sizeof(*p), GFP_KERNEL);
if (p == NULL)
return ERR_PTR(-ENOMEM);
- memset(p, 0, sizeof(*p));
p->br = br;
dev_hold(dev);
p->dev = dev;
@@ -276,8 +277,9 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
br_init_port(p);
p->state = BR_STATE_DISABLED;
INIT_WORK(&p->carrier_check, port_carrier_check, dev);
- kobject_init(&p->kobj);
+ br_stp_port_timer_init(p);
+ kobject_init(&p->kobj);
kobject_set_name(&p->kobj, SYSFS_BRIDGE_PORT_ATTR);
p->kobj.ktype = &brport_ktype;
p->kobj.parent = &(dev->class_dev.kobj);