iwlwifi: fix FW restart on init FW
When unregistered with mac80211, we can't call its functionality
for FW restart, so avoid it and prevent automatic FW restart for
the init firmware.
Signed-off-by: Amit Beka <amit.beka@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index ab7b9ed..7ff3f14 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -862,7 +862,8 @@
* No race since we hold the mutex here and a new one
* can't come in at this time.
*/
- ieee80211_remain_on_channel_expired(priv->hw);
+ if (priv->ucode_loaded && priv->cur_ucode != IWL_UCODE_INIT)
+ ieee80211_remain_on_channel_expired(priv->hw);
exit_pending =
test_and_set_bit(STATUS_EXIT_PENDING, &priv->status);
@@ -994,7 +995,11 @@
iwlagn_prepare_restart(priv);
mutex_unlock(&priv->mutex);
iwl_cancel_deferred_work(priv);
- ieee80211_restart_hw(priv->hw);
+ if (priv->mac80211_registered)
+ ieee80211_restart_hw(priv->hw);
+ else
+ IWL_ERR(priv,
+ "Cannot request restart before registrating with mac80211");
} else {
WARN_ON(1);
}