From 8513d95b4b6cd7029cca5aac3bedef25c25b64a0 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Mon, 9 Mar 2015 14:19:24 +0100 Subject: [PATCH] ath10k: fix patching mistake for AP/IBSS CSA Mistakenly v1 of `ath10k: fix AP/IBSS CSA with template based fw` (81a9a17db5d766d2872c4ab8a77b8666d22031ec) was applied. This patch applies the missing bits from v2: * remove unnecessary locking * add some (sanity) checks There are no practical functionality differences between v1 and v2. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 12 +++++++----- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 4 +--- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 42be1e1..cd806c5 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1230,9 +1230,10 @@ static void ath10k_control_beaconing(struct ath10k_vif *arvif, if (!info->enable_beacon) { ath10k_vdev_stop(arvif); - spin_lock_bh(&arvif->ar->data_lock); arvif->is_started = false; arvif->is_up = false; + + spin_lock_bh(&arvif->ar->data_lock); ath10k_mac_vif_beacon_free(arvif); spin_unlock_bh(&arvif->ar->data_lock); @@ -1466,6 +1467,11 @@ static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif) struct ieee80211_vif *vif = arvif->vif; int ret; + lockdep_assert_held(&arvif->ar->conf_mutex); + + if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))) + return; + if (arvif->vdev_type != WMI_VDEV_TYPE_AP) return; @@ -2091,9 +2097,7 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw, return; } - spin_lock_bh(&arvif->ar->data_lock); arvif->is_up = true; - spin_unlock_bh(&arvif->ar->data_lock); /* Workaround: Some firmware revisions (tested with qca6174 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be @@ -2135,9 +2139,7 @@ static void ath10k_bss_disassoc(struct ieee80211_hw *hw, return; } - spin_lock_bh(&arvif->ar->data_lock); arvif->is_up = false; - spin_unlock_bh(&arvif->ar->data_lock); } static int ath10k_station_assoc(struct ath10k *ar, diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index 939d86b..2e12637 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -206,11 +206,9 @@ static int ath10k_wmi_tlv_event_bcn_tx_status(struct ath10k *ar, break; } - spin_lock_bh(&ar->data_lock); arvif = ath10k_get_arvif(ar, vdev_id); - if (arvif && arvif->is_up) + if (arvif && arvif->is_up && arvif->vif->csa_active) ieee80211_queue_work(ar->hw, &arvif->ap_csa_work); - spin_unlock_bh(&ar->data_lock); kfree(tb); return 0; -- 2.7.4