diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index da61ecd..1299479 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -5196,7 +5196,7 @@
 	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);