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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>
This commit is contained in:
Amit Beka 2012-08-06 17:01:05 +03:00 committed by Johannes Berg
parent 289e5501c3
commit 40503f7b48
1 changed files with 7 additions and 2 deletions
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9
drivers/net/wireless/iwlwifi/dvm/main.c
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@ -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);
}