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Message-ID: <9f46eebf8220a06a1889eaf2d6bac74dd08cfd1f.1664616227.git.philipp.g.hortmann@gmail.com>
Date:   Sat, 1 Oct 2022 11:40:36 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 02/10] staging: rtl8192e: Remove unchanged variable
 bInactivePs

bInactivePs is just once initialized and never changed. The evaluation
will always have the same result. Remove resulting dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_cam.c  | 18 ++++---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c |  1 -
 drivers/staging/rtl8192e/rtl8192e/rtl_ps.c   | 49 +++++++++-----------
 drivers/staging/rtl8192e/rtl8192e/rtl_wx.c   | 48 +++++++++----------
 drivers/staging/rtl8192e/rtllib.h            |  2 -
 5 files changed, 51 insertions(+), 67 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
index 41faeb4b9b9b..8c3ce6cc2541 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
@@ -81,17 +81,15 @@ void rtl92e_set_key(struct net_device *dev, u8 EntryNo, u8 KeyIndex,
 	enum rt_rf_power_state rt_state;
 
 	rt_state = priv->rtllib->rf_power_state;
-	if (priv->rtllib->PowerSaveControl.bInactivePs) {
-		if (rt_state == rf_off) {
-			if (priv->rtllib->rf_off_reason > RF_CHANGE_BY_IPS) {
-				netdev_warn(dev, "%s(): RF is OFF.\n",
-					    __func__);
-				return;
-			}
-			mutex_lock(&priv->rtllib->ips_mutex);
-			rtl92e_ips_leave(dev);
-			mutex_unlock(&priv->rtllib->ips_mutex);
+	if (rt_state == rf_off) {
+		if (priv->rtllib->rf_off_reason > RF_CHANGE_BY_IPS) {
+			netdev_warn(dev, "%s(): RF is OFF.\n",
+				    __func__);
+			return;
 		}
+		mutex_lock(&priv->rtllib->ips_mutex);
+		rtl92e_ips_leave(dev);
+		mutex_unlock(&priv->rtllib->ips_mutex);
 	}
 	priv->rtllib->is_set_key = true;
 	if (EntryNo >= TOTAL_CAM_ENTRY) {
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 10b79003c633..7c0fd2bce923 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -886,7 +886,6 @@ static void _rtl92e_init_priv_variable(struct net_device *dev)
 	priv->rf_change_in_progress = false;
 	priv->bHwRfOffAction = 0;
 	priv->SetRFPowerStateInProgress = false;
-	priv->rtllib->PowerSaveControl.bInactivePs = true;
 	priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
 	priv->rtllib->PowerSaveControl.bLeisurePs = true;
 	priv->rtllib->LPSDelayCnt = 0;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
index 49c50ec21d04..fba86ef730b5 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
@@ -116,16 +116,14 @@ void rtl92e_ips_enter(struct net_device *dev)
 					&(priv->rtllib->PowerSaveControl);
 	enum rt_rf_power_state rt_state;
 
-	if (pPSC->bInactivePs) {
-		rt_state = priv->rtllib->rf_power_state;
-		if (rt_state == rf_on && !pPSC->bSwRfProcessing &&
-			(priv->rtllib->state != RTLLIB_LINKED) &&
-			(priv->rtllib->iw_mode != IW_MODE_MASTER)) {
-			pPSC->eInactivePowerState = rf_off;
-			priv->isRFOff = true;
-			priv->bInPowerSaveMode = true;
-			_rtl92e_ps_update_rf_state(dev);
-		}
+	rt_state = priv->rtllib->rf_power_state;
+	if (rt_state == rf_on && !pPSC->bSwRfProcessing &&
+		(priv->rtllib->state != RTLLIB_LINKED) &&
+		(priv->rtllib->iw_mode != IW_MODE_MASTER)) {
+		pPSC->eInactivePowerState = rf_off;
+		priv->isRFOff = true;
+		priv->bInPowerSaveMode = true;
+		_rtl92e_ps_update_rf_state(dev);
 	}
 }
 
@@ -136,14 +134,12 @@ void rtl92e_ips_leave(struct net_device *dev)
 					&(priv->rtllib->PowerSaveControl);
 	enum rt_rf_power_state rt_state;
 
-	if (pPSC->bInactivePs) {
-		rt_state = priv->rtllib->rf_power_state;
-		if (rt_state != rf_on  && !pPSC->bSwRfProcessing &&
-		    priv->rtllib->rf_off_reason <= RF_CHANGE_BY_IPS) {
-			pPSC->eInactivePowerState = rf_on;
-			priv->bInPowerSaveMode = false;
-			_rtl92e_ps_update_rf_state(dev);
-		}
+	rt_state = priv->rtllib->rf_power_state;
+	if (rt_state != rf_on  && !pPSC->bSwRfProcessing &&
+	    priv->rtllib->rf_off_reason <= RF_CHANGE_BY_IPS) {
+		pPSC->eInactivePowerState = rf_on;
+		priv->bInPowerSaveMode = false;
+		_rtl92e_ps_update_rf_state(dev);
 	}
 }
 
@@ -165,18 +161,15 @@ void rtl92e_rtllib_ips_leave_wq(struct net_device *dev)
 	enum rt_rf_power_state rt_state;
 
 	rt_state = priv->rtllib->rf_power_state;
-
-	if (priv->rtllib->PowerSaveControl.bInactivePs) {
-		if (rt_state == rf_off) {
-			if (priv->rtllib->rf_off_reason > RF_CHANGE_BY_IPS) {
-				netdev_warn(dev, "%s(): RF is OFF.\n",
-					    __func__);
-				return;
-			}
-			netdev_info(dev, "=========>%s(): rtl92e_ips_leave\n",
+	if (rt_state == rf_off) {
+		if (priv->rtllib->rf_off_reason > RF_CHANGE_BY_IPS) {
+			netdev_warn(dev, "%s(): RF is OFF.\n",
 				    __func__);
-			schedule_work(&priv->rtllib->ips_leave_wq);
+			return;
 		}
+		netdev_info(dev, "=========>%s(): rtl92e_ips_leave\n",
+			    __func__);
+		schedule_work(&priv->rtllib->ips_leave_wq);
 	}
 }
 
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index 4920cb49e381..12eea4fcb9dd 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -252,22 +252,20 @@ static int _rtl92e_wx_set_mode(struct net_device *dev,
 	mutex_lock(&priv->wx_mutex);
 	if (wrqu->mode == IW_MODE_ADHOC || wrqu->mode == IW_MODE_MONITOR ||
 	    ieee->bNetPromiscuousMode) {
-		if (priv->rtllib->PowerSaveControl.bInactivePs) {
-			if (rt_state == rf_off) {
-				if (priv->rtllib->rf_off_reason >
-				    RF_CHANGE_BY_IPS) {
-					netdev_warn(dev, "%s(): RF is OFF.\n",
-						    __func__);
-					mutex_unlock(&priv->wx_mutex);
-					return -1;
-				}
-				netdev_info(dev,
-					    "=========>%s(): rtl92e_ips_leave\n",
+		if (rt_state == rf_off) {
+			if (priv->rtllib->rf_off_reason >
+			    RF_CHANGE_BY_IPS) {
+				netdev_warn(dev, "%s(): RF is OFF.\n",
 					    __func__);
-				mutex_lock(&priv->rtllib->ips_mutex);
-				rtl92e_ips_leave(dev);
-				mutex_unlock(&priv->rtllib->ips_mutex);
+				mutex_unlock(&priv->wx_mutex);
+				return -1;
 			}
+			netdev_info(dev,
+				    "=========>%s(): rtl92e_ips_leave\n",
+				    __func__);
+			mutex_lock(&priv->rtllib->ips_mutex);
+			rtl92e_ips_leave(dev);
+			mutex_unlock(&priv->rtllib->ips_mutex);
 		}
 	}
 	ret = rtllib_wx_set_mode(priv->rtllib, a, wrqu, b);
@@ -414,19 +412,17 @@ static int _rtl92e_wx_set_scan(struct net_device *dev,
 	priv->rtllib->FirstIe_InScan = true;
 
 	if (priv->rtllib->state != RTLLIB_LINKED) {
-		if (priv->rtllib->PowerSaveControl.bInactivePs) {
-			if (rt_state == rf_off) {
-				if (priv->rtllib->rf_off_reason >
-				    RF_CHANGE_BY_IPS) {
-					netdev_warn(dev, "%s(): RF is OFF.\n",
-						    __func__);
-					mutex_unlock(&priv->wx_mutex);
-					return -1;
-				}
-				mutex_lock(&priv->rtllib->ips_mutex);
-				rtl92e_ips_leave(dev);
-				mutex_unlock(&priv->rtllib->ips_mutex);
+		if (rt_state == rf_off) {
+			if (priv->rtllib->rf_off_reason >
+			    RF_CHANGE_BY_IPS) {
+				netdev_warn(dev, "%s(): RF is OFF.\n",
+					    __func__);
+				mutex_unlock(&priv->wx_mutex);
+				return -1;
 			}
+			mutex_lock(&priv->rtllib->ips_mutex);
+			rtl92e_ips_leave(dev);
+			mutex_unlock(&priv->rtllib->ips_mutex);
 		}
 		rtllib_stop_scan(priv->rtllib);
 		if (priv->rtllib->LedControlHandler)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 40bea71bcb22..d23d1c3ce39b 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1250,8 +1250,6 @@ enum rt_rf_power_state {
 };
 
 struct rt_pwr_save_ctrl {
-
-	bool				bInactivePs;
 	bool				bIPSModeBackup;
 	bool				bSwRfProcessing;
 	enum rt_rf_power_state eInactivePowerState;
-- 
2.37.3

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