iwlwifi: move firmware completion wait

This doesn't belong into the op_mode, it has
to be in the drv stop flow instead.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 343f41e..1a588f3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -720,6 +720,8 @@
 
 void iwl_drv_stop(struct iwl_shared *shrd)
 {
+	wait_for_completion(&shrd->nic->request_firmware_complete);
+
 	/* op_mode can be NULL if its start failed */
 	if (shrd->nic->op_mode)
 		iwl_op_mode_stop(shrd->nic->op_mode);