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atl1: Do not wake queue before queue has been started.

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Based upon a bug report by Alexey Dobriyan, the patch is
also tested by him and confirmed to fix the problem.

Packet flow during link state events should not be done by
waking and stopping the TX queue anyways, that is handled
transparently by netif_carrier_{on,off}().

So, remove the netif_{wake,stop}_queue() calls in the link
check code, and add the necessary netif_start_queue() call
to atl1_up().

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-07-21 08:28:37 -07:00
parent 14b395e35d
commit 39d48157ac
1 changed files with 1 additions and 2 deletions
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3
drivers/net/atlx/atl1.c
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@ -1308,7 +1308,6 @@ static u32 atl1_check_link(struct atl1_adapter *adapter)
dev_info(&adapter->pdev->dev, "link is down\n");
adapter->link_speed = SPEED_0;
netif_carrier_off(netdev);
netif_stop_queue(netdev);
}
return 0;
}
@ -1358,7 +1357,6 @@ static u32 atl1_check_link(struct atl1_adapter *adapter)
if (!netif_carrier_ok(netdev)) {
/* Link down -> Up */
netif_carrier_on(netdev);
netif_wake_queue(netdev);
}
return 0;
}
@ -2627,6 +2625,7 @@ static s32 atl1_up(struct atl1_adapter *adapter)
mod_timer(&adapter->watchdog_timer, jiffies);
atlx_irq_enable(adapter);
atl1_check_link(adapter);
netif_start_queue(netdev);
return 0;
err_up: