From 6bdeaf6fc2cd583fdfc9e2d857aba5ffc7280aa9 Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Wed, 30 Sep 2009 13:01:01 -0700 Subject: iwlwifi: fix unloading driver while scanning This is commit 5bddf54962bf68002816df710348ba197d6391bb in linux-2.6. If NetworkManager is busy scanning when user tries to unload the module, the driver can not be unloaded because HW still scanning. Make sure driver sends abort scan host command to uCode if it is in the middle of scanning during driver unload. Signed-off-by: Wey-Yi Guy Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/iwlwifi/iwl-agn.c | 2 +- drivers/net/wireless/iwlwifi/iwl-scan.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index a445b3f10223..2a577ae8fcda 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2215,7 +2215,7 @@ static void iwl_mac_stop(struct ieee80211_hw *hw) priv->is_open = 0; - if (iwl_is_ready_rf(priv)) { + if (iwl_is_ready_rf(priv) || test_bit(STATUS_SCAN_HW, &priv->status)) { /* stop mac, cancel any scan request and clear * RXON_FILTER_ASSOC_MSK BIT */ diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index e26875dbe859..474fd4982471 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -799,7 +799,8 @@ void iwl_bg_abort_scan(struct work_struct *work) { struct iwl_priv *priv = container_of(work, struct iwl_priv, abort_scan); - if (!iwl_is_ready(priv)) + if (!test_bit(STATUS_READY, &priv->status) || + !test_bit(STATUS_GEO_CONFIGURED, &priv->status)) return; mutex_lock(&priv->mutex); -- cgit v1.2.3