From 1e460535ab3978b7a23e08e9f556af2f84c43235 Mon Sep 17 00:00:00 2001 From: Abhijeet Kolekar Date: Fri, 23 Apr 2010 14:14:53 -0700 Subject: iwl3945: fix scan races Port following patch to 3945. "commit 90c4162ff59a3281b6d2f7206740be6217bd6758 Author: Johannes Berg Date: Wed Apr 7 00:21:36 2010 -0700 iwlwifi: fix scan races" Signed-off-by: Abhijeet Kolekar Signed-off-by: Reinette Chatre --- drivers/net/wireless/iwlwifi/iwl-core.h | 1 + drivers/net/wireless/iwlwifi/iwl-scan.c | 3 ++- drivers/net/wireless/iwlwifi/iwl3945-base.c | 2 ++ 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 7273609..7deed86 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -515,6 +515,7 @@ int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); int iwl_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_scan_request *req); +void iwl_bg_start_internal_scan(struct work_struct *work); void iwl_internal_short_hw_scan(struct iwl_priv *priv); int iwl_force_reset(struct iwl_priv *priv, int mode); u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 447c301..28e2d86 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -367,7 +367,7 @@ void iwl_internal_short_hw_scan(struct iwl_priv *priv) queue_work(priv->workqueue, &priv->start_internal_scan); } -static void iwl_bg_start_internal_scan(struct work_struct *work) +void iwl_bg_start_internal_scan(struct work_struct *work) { struct iwl_priv *priv = container_of(work, struct iwl_priv, start_internal_scan); @@ -402,6 +402,7 @@ static void iwl_bg_start_internal_scan(struct work_struct *work) unlock: mutex_unlock(&priv->mutex); } +EXPORT_SYMBOL(iwl_bg_start_internal_scan); void iwl_bg_scan_check(struct work_struct *data) { diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 867d105..04cedef 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -3739,6 +3739,7 @@ static void iwl3945_setup_deferred_work(struct iwl_priv *priv) INIT_DELAYED_WORK(&priv->_3945.rfkill_poll, iwl3945_rfkill_poll); INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed); INIT_WORK(&priv->abort_scan, iwl_bg_abort_scan); + INIT_WORK(&priv->start_internal_scan, iwl_bg_start_internal_scan); INIT_DELAYED_WORK(&priv->scan_check, iwl_bg_scan_check); iwl3945_hw_setup_deferred_work(priv); @@ -3761,6 +3762,7 @@ static void iwl3945_cancel_deferred_work(struct iwl_priv *priv) cancel_delayed_work_sync(&priv->init_alive_start); cancel_delayed_work(&priv->scan_check); cancel_delayed_work(&priv->alive_start); + cancel_work_sync(&priv->start_internal_scan); cancel_work_sync(&priv->beacon_update); if (priv->cfg->ops->lib->recover_from_tx_stall) del_timer_sync(&priv->monitor_recover); -- cgit v1.1