[PATCH 694/961] staging: rtl8192e: Remove unnecessary ps_lock

[Greg Kroah-Hartman <gregkh@xxxxxxx>]

From: Mike McCormack <mikem@xxxxxxxxxx>

Signed-off-by: Mike McCormack <mikem@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 drivers/staging/rtl8192e/r8190_rtl8256.c |    3 ---
 drivers/staging/rtl8192e/r8192E.h        |    1 -
 drivers/staging/rtl8192e/r8192E_core.c   |    9 ++-------
 3 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/rtl8192e/r8190_rtl8256.c b/drivers/staging/rtl8192e/r8190_rtl8256.c
index 9513af9..0838bec 100644
--- a/drivers/staging/rtl8192e/r8190_rtl8256.c
+++ b/drivers/staging/rtl8192e/r8190_rtl8256.c
@@ -327,8 +327,6 @@ SetRFPowerState8190(struct net_device *dev, RT_RF_POWER_STATE eRFPowerState)
 	PRT_POWER_SAVE_CONTROL	pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
 	bool bResult = true;
 
-	spin_lock(&priv->ps_lock);
-
 	if (eRFPowerState == priv->ieee80211->eRFPowerState &&
 	    priv->bHwRfOffAction == 0) {
 		bResult = false;
@@ -429,7 +427,6 @@ SetRFPowerState8190(struct net_device *dev, RT_RF_POWER_STATE eRFPowerState)
 	}
 
 out:
-	spin_unlock(&priv->ps_lock);
 	return bResult;
 }
 
diff --git a/drivers/staging/rtl8192e/r8192E.h b/drivers/staging/rtl8192e/r8192E.h
index 4278091..9b93ed9 100644
--- a/drivers/staging/rtl8192e/r8192E.h
+++ b/drivers/staging/rtl8192e/r8192E.h
@@ -808,7 +808,6 @@ typedef struct r8192_priv
 	spinlock_t irq_th_lock;
 	spinlock_t rf_ps_lock;
         struct mutex mutex;
-	spinlock_t ps_lock;
 
 	short chan;
 	short sens;
diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c
index 0c88a25..cc20e5d 100644
--- a/drivers/staging/rtl8192e/r8192E_core.c
+++ b/drivers/staging/rtl8192e/r8192E_core.c
@@ -1883,8 +1883,6 @@ static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
 	u32 tmp;
 	u32 rb = jiffies;
 
-	spin_lock(&priv->ps_lock);
-
 	// Writing HW register with 0 equals to disable
 	// the timer, that is not really what we want
 	//
@@ -1897,14 +1895,14 @@ static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
 	if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
 			||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
 		printk("too short to sleep::%x, %x, %lx\n",tl, rb,  MSECS(MIN_SLEEP_TIME));
-		goto out_unlock;
+		return;
 	}
 
 	if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
 			((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
 			((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
 		printk("========>too long to sleep:%x, %x, %lx\n", tl, rb,  MSECS(MAX_SLEEP_TIME));
-		goto out_unlock;
+		return;
 	}
 
 	tmp = (tl>rb)?(tl-rb):(rb-tl);
@@ -1913,8 +1911,6 @@ static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
 
 	queue_delayed_work(priv->ieee80211->wq,
 			(void *)&priv->ieee80211->hw_sleep_wq,0);
-out_unlock:
-	spin_unlock(&priv->ps_lock);
 }
 
 static void rtl8192_init_priv_variable(struct net_device* dev)
@@ -2043,7 +2039,6 @@ static void rtl8192_init_priv_lock(struct r8192_priv* priv)
 {
 	spin_lock_init(&priv->irq_th_lock);
 	spin_lock_init(&priv->rf_ps_lock);
-	spin_lock_init(&priv->ps_lock);
 	sema_init(&priv->wx_sem,1);
 	sema_init(&priv->rf_sem,1);
 	mutex_init(&priv->mutex);
-- 
1.7.4.1

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