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Revert "net: Fix for initial link state in 2.6.28"

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This reverts commit 22604c8668.

We can't fix this issue in this way, because we now can try
to take the dev_base_lock rwlock as a writer in software interrupt
context and that is not allowed without major surgery elsewhere.

This initial link state problem needs to be solved in some other
way.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2009-01-05 16:01:51 -08:00
parent 7945cc6464
commit c276e098d3
2 changed files with 5 additions and 6 deletions
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7
net/core/link_watch.c
View File

@ -178,6 +178,7 @@ static void __linkwatch_run_queue(int urgent_only)
*/
clear_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state);
rfc2863_policy(dev);
if (dev->flags & IFF_UP) {
if (netif_carrier_ok(dev))
dev_activate(dev);
@ -214,12 +215,6 @@ void linkwatch_fire_event(struct net_device *dev)
{
bool urgent = linkwatch_urgent_event(dev);
rfc2863_policy(dev);
/* Some drivers call netif_carrier_off early */
if (dev->reg_state == NETREG_UNINITIALIZED)
return;
if (!test_and_set_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state)) {
dev_hold(dev);

4
net/sched/sch_generic.c
View File

@ -270,6 +270,8 @@ static void dev_watchdog_down(struct net_device *dev)
void netif_carrier_on(struct net_device *dev)
{
if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &dev->state)) {
if (dev->reg_state == NETREG_UNINITIALIZED)
return;
linkwatch_fire_event(dev);
if (netif_running(dev))
__netdev_watchdog_up(dev);
@ -286,6 +288,8 @@ EXPORT_SYMBOL(netif_carrier_on);
void netif_carrier_off(struct net_device *dev)
{
if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state)) {
if (dev->reg_state == NETREG_UNINITIALIZED)
return;
linkwatch_fire_event(dev);
}
}