From: Amit Beka Date: Mon, 6 Aug 2012 14:01:05 +0000 (+0300) Subject: iwlwifi: fix FW restart on init FW X-Git-Tag: v3.7-rc1~145^2~30^2~47^2~14 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=40503f7b48260a91ab65a4f8b00a2c6f004fa807;p=platform%2Fkernel%2Flinux-stable.git 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 Reviewed-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- 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); }