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e1000e: check down flag in tasks

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This change is part of a fix to avoid any tasks running while the driver is
exiting and deinitializing resources.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jesse Brandeburg 2011-02-02 10:19:45 +00:00 committed by Jeff Kirsher
parent 6d90e8f456
commit 615b32af97
1 changed files with 21 additions and 0 deletions
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21
drivers/net/e1000e/netdev.c
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@ -937,6 +937,9 @@ static void e1000_print_hw_hang(struct work_struct *work)
u16 phy_status, phy_1000t_status, phy_ext_status;
u16 pci_status;
if (test_bit(__E1000_DOWN, &adapter->state))
return;
e1e_rphy(hw, PHY_STATUS, &phy_status);
e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
@ -1506,6 +1509,9 @@ static void e1000e_downshift_workaround(struct work_struct *work)
struct e1000_adapter *adapter = container_of(work,
struct e1000_adapter, downshift_task);
if (test_bit(__E1000_DOWN, &adapter->state))
return;
e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
}
@ -3765,6 +3771,10 @@ static void e1000e_update_phy_task(struct work_struct *work)
{
struct e1000_adapter *adapter = container_of(work,
struct e1000_adapter, update_phy_task);
if (test_bit(__E1000_DOWN, &adapter->state))
return;
e1000_get_phy_info(&adapter->hw);
}
@ -3775,6 +3785,10 @@ static void e1000e_update_phy_task(struct work_struct *work)
static void e1000_update_phy_info(unsigned long data)
{
struct e1000_adapter *adapter = (struct e1000_adapter *) data;
if (test_bit(__E1000_DOWN, &adapter->state))
return;
schedule_work(&adapter->update_phy_task);
}
@ -4149,6 +4163,9 @@ static void e1000_watchdog_task(struct work_struct *work)
u32 link, tctl;
int tx_pending = 0;
if (test_bit(__E1000_DOWN, &adapter->state))
return;
link = e1000e_has_link(adapter);
if ((netif_carrier_ok(netdev)) && link) {
/* Cancel scheduled suspend requests. */
@ -4887,6 +4904,10 @@ static void e1000_reset_task(struct work_struct *work)
struct e1000_adapter *adapter;
adapter = container_of(work, struct e1000_adapter, reset_task);
/* don't run the task if already down */
if (test_bit(__E1000_DOWN, &adapter->state))
return;
if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
(adapter->flags & FLAG_RX_RESTART_NOW))) {
e1000e_dump(adapter);