iwlwifi 3945 Fix race conditional panic.

Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -8277,6 +8277,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv)
 {
 	iwl_hw_cancel_deferred_work(priv);
 
+	cancel_delayed_work_sync(&priv->init_alive_start);
 	cancel_delayed_work(&priv->scan_check);
 	cancel_delayed_work(&priv->alive_start);
 	cancel_delayed_work(&priv->post_associate);