From: Amit Beka <amit.beka@xxxxxxxxx>
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@xxxxxxxxx>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/dvm/main.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
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 @@ void iwl_down(struct iwl_priv *priv)
* 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 @@ static void iwl_bg_restart(struct work_struct *data)
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);
}
--
1.7.10.4
--
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