1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index 22c293e5b88..d2326c13449 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -286,8 +286,9 @@ void rtl_ips_nic_on(struct ieee80211_hw *hw)
         struct rtl_priv *rtlpriv = rtl_priv(hw);
         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
         enum rf_pwrstate rtstate;
+        unsigned long flags;
 
-        mutex_lock(&rtlpriv->locks.ips_mutex);
+        spin_lock_irqsave(&rtlpriv->locks.ips_lock, flags);
 
         if (ppsc->b_inactiveps) {
                 rtstate = ppsc->rfpwr_state;
@@ -303,7 +304,7 @@ void rtl_ips_nic_on(struct ieee80211_hw *hw)
                 }
         }
 
-        mutex_unlock(&rtlpriv->locks.ips_mutex);
+        spin_unlock_irqrestore(&rtlpriv->locks.ips_lock, flags);
 }
 
 /*for FW LPS*/