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iwl3945: use cancel_delayed_work_sync to cancel rfkill_poll

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Users reported lockup with work still trying to run
after module has been unloaded.

http://thread.gmane.org/gmane.linux.kernel.wireless.general/30594/focus=30601

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Reported-by: TJ <ubuntu@tjworld.net>
Reported-by: Huaxu Wan <huaxu.wan@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Reinette Chatre 2009-04-20 14:37:01 -07:00 committed by John W. Linville
parent 4b6f764e14
commit 71d449b55a
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/iwlwifi/iwl3945-base.c
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@ -5196,7 +5196,7 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev)
sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group);
iwl_rfkill_unregister(priv);
cancel_delayed_work(&priv->rfkill_poll);
cancel_delayed_work_sync(&priv->rfkill_poll);
iwl3945_dealloc_ucode_pci(priv);