From: Reinette Chatre <reinette.chatre@intel.com>
Date: Mon, 20 Apr 2009 21:37:01 +0000 (-0700)
Subject: iwl3945: use cancel_delayed_work_sync to cancel rfkill_poll
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=71d449b55abf5018d7c711b2b62abc0c083723c4;p=deliverable%2Flinux.git

iwl3945: use cancel_delayed_work_sync to cancel rfkill_poll

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>
---

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index da61ecd62882..1299479f99dc 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -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);