To ensure where are protected by driver mutex can also be protected by
wiphy_lock(), so afterward we can remove driver mutex safely.
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw89/regd.c | 2 ++
drivers/net/wireless/realtek/rtw89/ser.c | 4 ++++
2 files changed, 6 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/regd.c b/drivers/net/wireless/realtek/rtw89/regd.c
index 80b2f74589eb..5b8d95c90d73 100644
--- a/drivers/net/wireless/realtek/rtw89/regd.c
+++ b/drivers/net/wireless/realtek/rtw89/regd.c
@@ -720,6 +720,7 @@ void rtw89_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct rtw89_dev *rtwdev = hw->priv;
+ wiphy_lock(wiphy);
mutex_lock(&rtwdev->mutex);
rtw89_leave_ps_mode(rtwdev);
@@ -737,6 +738,7 @@ void rtw89_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request
exit:
mutex_unlock(&rtwdev->mutex);
+ wiphy_unlock(wiphy);
}
/* Maximum Transmit Power field (@raw) can be EIRP or PSD.
diff --git a/drivers/net/wireless/realtek/rtw89/ser.c b/drivers/net/wireless/realtek/rtw89/ser.c
index 26a944d3b672..d0c8584308c0 100644
--- a/drivers/net/wireless/realtek/rtw89/ser.c
+++ b/drivers/net/wireless/realtek/rtw89/ser.c
@@ -156,9 +156,11 @@ static void ser_state_run(struct rtw89_ser *ser, u8 evt)
rtw89_debug(rtwdev, RTW89_DBG_SER, "ser: %s receive %s\n",
ser_st_name(ser), ser_ev_name(ser, evt));
+ wiphy_lock(rtwdev->hw->wiphy);
mutex_lock(&rtwdev->mutex);
rtw89_leave_lps(rtwdev);
mutex_unlock(&rtwdev->mutex);
+ wiphy_unlock(rtwdev->hw->wiphy);
ser->st_tbl[ser->state].st_func(ser, evt);
}
@@ -708,9 +710,11 @@ static void ser_l2_reset_st_hdl(struct rtw89_ser *ser, u8 evt)
switch (evt) {
case SER_EV_STATE_IN:
+ wiphy_lock(rtwdev->hw->wiphy);
mutex_lock(&rtwdev->mutex);
ser_l2_reset_st_pre_hdl(ser);
mutex_unlock(&rtwdev->mutex);
+ wiphy_unlock(rtwdev->hw->wiphy);
ieee80211_restart_hw(rtwdev->hw);
ser_set_alarm(ser, SER_RECFG_TIMEOUT, SER_EV_L2_RECFG_TIMEOUT);
--
2.25.1
