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iwlwifi: fix FW restart on init FW

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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);
}