staging: rtl8192e: Fix UNNECESSARY_ELSE warning

Fix checkpatch warnings 'else is not generally useful after a break or return'

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c

@@ -2025,6 +2025,7 @@ bool rtl8192_rx_query_status_desc(struct net_device *dev,
 				  struct sk_buff *skb)
 {
 	struct r8192_priv *priv = rtllib_priv(dev);
+	struct rx_fwinfo *pDrvInfo = NULL;
 
 	stats->bICV = pdesc->ICV;
 	stats->bCRC = pdesc->CRC32;
@@ -2046,8 +2047,7 @@ bool rtl8192_rx_query_status_desc(struct net_device *dev,
 				priv->stats.rxcrcerrmid++;
 		}
 		return false;
-	} else {
-		struct rx_fwinfo *pDrvInfo = NULL;
+	}
 
 	stats->RxDrvInfoSize = pdesc->RxDrvInfoSize;
 	stats->RxBufShift = ((pdesc->Shift)&0x03);
@@ -2090,7 +2090,6 @@ bool rtl8192_rx_query_status_desc(struct net_device *dev,
 	stats->fragoffset = 0;
 	stats->ntotalfrag = 1;
 	return true;
-	}
 }
 
 void rtl8192_halt_adapter(struct net_device *dev, bool reset)
@@ -2314,7 +2313,6 @@ bool rtl8192_HalRxCheckStuck(struct net_device *dev)
 	  (priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M)))) {
 		if (rx_chk_cnt < 2)
 			return bStuck;
-		else
 		rx_chk_cnt = 0;
 	} else if ((((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) &&
 		  (priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M)) ||
@@ -2323,12 +2321,10 @@ bool rtl8192_HalRxCheckStuck(struct net_device *dev)
 		priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
 		if (rx_chk_cnt < 4)
 			return bStuck;
-		else
 		rx_chk_cnt = 0;
 	} else {
 		if (rx_chk_cnt < 8)
 			return bStuck;
-		else
 		rx_chk_cnt = 0;
 	}
 

drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c

@@ -940,14 +940,12 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel,
 			}
 
 			if (CurrentCmd && CurrentCmd->CmdID == CmdID_End) {
-				if ((*stage) == 2) {
+				if ((*stage) == 2)
 					return true;
-				} else {
 				(*stage)++;
 				(*step) = 0;
 				continue;
 			}
-			}
 
 			if (!CurrentCmd)
 				continue;

drivers/staging/rtl8192e/rtl8192e/rtl_cam.c

@@ -116,13 +116,12 @@ void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
 				RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",
 					__func__);
 				return;
-			} else {
+			}
 			down(&priv->rtllib->ips_sem);
 			IPSLeave(dev);
 			up(&priv->rtllib->ips_sem);
 		}
 	}
-	}
 	priv->rtllib->is_set_key = true;
 	if (EntryNo >= TOTAL_CAM_ENTRY)
 		RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");

drivers/staging/rtl8192e/rtl8192e/rtl_core.c

@@ -204,9 +204,9 @@ u8 read_nic_io_byte(struct net_device *dev, int x)
 	bool	bIsLegalPage = false;
 	u8	Data = 0;
 
-	if (u4bPage == 0) {
+	if (u4bPage == 0)
 		return 0xff&inb(dev->base_addr + x);
-	} else {
+
 	bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 							     &u1PageMask);
 	if (bIsLegalPage) {
@@ -217,7 +217,6 @@ u8 read_nic_io_byte(struct net_device *dev, int x)
 		Data = read_nic_io_byte(dev, (x & 0xff));
 		write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
 	}
-	}
 
 	return Data;
 }
@@ -229,9 +228,8 @@ u16 read_nic_io_word(struct net_device *dev, int x)
 	bool	bIsLegalPage = false;
 	u16	Data = 0;
 
-	if (u4bPage == 0) {
+	if (u4bPage == 0)
 		return inw(dev->base_addr + x);
-	} else {
 	bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 							     &u1PageMask);
 	if (bIsLegalPage) {
@@ -241,8 +239,6 @@ u16 read_nic_io_word(struct net_device *dev, int x)
 				  (u8)u4bPage));
 		Data = read_nic_io_word(dev, (x & 0xff));
 		write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
-
-		}
 	}
 
 	return Data;
@@ -255,9 +251,8 @@ u32 read_nic_io_dword(struct net_device *dev, int x)
 	bool	bIsLegalPage = false;
 	u32	Data = 0;
 
-	if (u4bPage == 0) {
+	if (u4bPage == 0)
 		return inl(dev->base_addr + x);
-	} else {
 	bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage,
 		       &u1PageMask);
 	if (bIsLegalPage) {
@@ -267,8 +262,6 @@ u32 read_nic_io_dword(struct net_device *dev, int x)
 				  (u8)u4bPage));
 		Data = read_nic_io_dword(dev, (x & 0xff));
 		write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
-
-		}
 	}
 
 	return Data;
@@ -1331,10 +1324,10 @@ static short rtl8192_init(struct net_device *dev)
 	    dev->name, dev)) {
 		netdev_err(dev, "Error allocating IRQ %d", dev->irq);
 		return -1;
-	} else {
+	}
+
 	priv->irq = dev->irq;
 	RT_TRACE(COMP_INIT, "IRQ %d\n", dev->irq);
-	}
 
 	if (rtl8192_pci_initdescring(dev) != 0) {
 		netdev_err(dev, "Endopoints initialization failed");
@@ -1932,7 +1925,8 @@ int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (queue_index == TXCMD_QUEUE) {
 		rtl8192_tx_cmd(dev, skb);
 		return 0;
-	} else {
+	}
+
 	tcb_desc->RATRIndex = 7;
 	tcb_desc->bTxDisableRateFallBack = 1;
 	tcb_desc->bTxUseDriverAssingedRate = 1;
@@ -1941,8 +1935,6 @@ int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	ret = rtl8192_tx(dev, skb);
 	if (ret != 0)
 		kfree_skb(skb);
-	}
-
 	return ret;
 }
 
@@ -2338,12 +2330,10 @@ static void rtl8192_rx_normal(struct net_device *dev)
 					[priv->rx_idx[rx_queue_idx]];
 		struct sk_buff *skb = priv->rx_buf[rx_queue_idx]
 				      [priv->rx_idx[rx_queue_idx]];
-
-		if (pdesc->OWN) {
-			return;
-		} else {
 		struct sk_buff *new_skb;
 
+		if (pdesc->OWN)
+			return;
 		if (!priv->ops->rx_query_status_descriptor(dev, &stats,
 		pdesc, skb))
 			goto done;
@@ -2408,7 +2398,6 @@ static void rtl8192_rx_normal(struct net_device *dev)
 			dev_kfree_skb_any(skb);
 			return;
 		}
-		}
 done:
 		pdesc->BufferAddress = *((dma_addr_t *)skb->cb);
 		pdesc->OWN = 1;

drivers/staging/rtl8192e/rtl8192e/rtl_dm.c

@@ -378,9 +378,8 @@ static void dm_bandwidth_autoswitch(struct net_device *dev)
 	struct r8192_priv *priv = rtllib_priv(dev);
 
 	if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 ||
-	   !priv->rtllib->bandwidth_auto_switch.bautoswitch_enable) {
+	   !priv->rtllib->bandwidth_auto_switch.bautoswitch_enable)
 		return;
-	} else {
 	if (priv->rtllib->bandwidth_auto_switch.bforced_tx20Mhz == false) {
 		if (priv->undecorated_smoothed_pwdb <=
 		    priv->rtllib->bandwidth_auto_switch.threshold_40Mhzto20Mhz)
@@ -389,8 +388,6 @@ static void dm_bandwidth_autoswitch(struct net_device *dev)
 		if (priv->undecorated_smoothed_pwdb >=
 		    priv->rtllib->bandwidth_auto_switch.threshold_20Mhzto40Mhz)
 			priv->rtllib->bandwidth_auto_switch.bforced_tx20Mhz = false;
-
-		}
 	}
 }
 
@@ -581,7 +578,7 @@ static void dm_TXPowerTrackingCallback_TSSI(struct net_device *dev)
 					 "priv->CCKPresentAttentuation = %d\n",
 					 priv->CCKPresentAttentuation);
 				return;
-			} else {
+			}
 			if (Avg_TSSI_Meas_from_driver < TSSI_13dBm - E_FOR_TX_POWER_TRACK) {
 				if (RF_Type == RF_2T4R) {
 
@@ -722,7 +719,7 @@ static void dm_TXPowerTrackingCallback_TSSI(struct net_device *dev)
 				RT_TRACE(COMP_POWER_TRACKING, "tx power track--->limited\n");
 				return;
 			}
-			}
+
 			write_nic_byte(dev, Pw_Track_Flag, 0);
 			Avg_TSSI_Meas_from_driver = 0;
 			for (k = 0; k < 5; k++)
@@ -1401,14 +1398,13 @@ static void dm_CheckTXPowerTracking_ThermalMeter(struct net_device *dev)
 		TxPowerCheckCnt = 5;
 	else
 		TxPowerCheckCnt = 2;
-	if (!priv->btxpower_tracking) {
+	if (!priv->btxpower_tracking)
 		return;
-	} else {
+
 	if (priv->txpower_count  <= TxPowerCheckCnt) {
 		priv->txpower_count++;
 		return;
 	}
-	}
 
 	if (!TM_Trigger) {
 		{
@@ -1419,15 +1415,12 @@ static void dm_CheckTXPowerTracking_ThermalMeter(struct net_device *dev)
 		}
 		TM_Trigger = 1;
 		return;
-	} else {
-		netdev_info(dev,
-			    "===============>Schedule TxPowerTrackingWorkItem\n");
-
+	}
+	netdev_info(dev, "===============>Schedule TxPowerTrackingWorkItem\n");
 	queue_delayed_work_rsl(priv->priv_wq, &priv->txpower_tracking_wq, 0);
 	TM_Trigger = 0;
-		}
 
-	}
+}
 
 static void dm_check_txpower_tracking(struct net_device *dev)
 {
@@ -1835,7 +1828,6 @@ static void dm_ctrl_initgain_byrssi_by_fwfalse_alarm(
 		if (dm_digtable.dig_state == DM_STA_DIG_OFF &&
 			(priv->reset_count == reset_cnt))
 			return;
-		else
 		reset_cnt = priv->reset_count;
 
 		dm_digtable.dig_highpwr_state = DM_STA_DIG_MAX;
@@ -1865,12 +1857,11 @@ static void dm_ctrl_initgain_byrssi_by_fwfalse_alarm(
 		    (priv->reset_count == reset_cnt)) {
 			dm_ctrl_initgain_byrssi_highpwr(dev);
 			return;
-		} else {
+		}
 		if (priv->reset_count != reset_cnt)
 			reset_flag = 1;
 
 		reset_cnt = priv->reset_count;
-		}
 
 		dm_digtable.dig_state = DM_STA_DIG_ON;
 
@@ -1912,7 +1903,6 @@ static void dm_ctrl_initgain_byrssi_highpwr(struct net_device *dev)
 		if (dm_digtable.dig_highpwr_state == DM_STA_DIG_ON &&
 			(priv->reset_count == reset_cnt_highpwr))
 			return;
-		else
 		dm_digtable.dig_highpwr_state = DM_STA_DIG_ON;
 
 		if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20)
@@ -1923,7 +1913,6 @@ static void dm_ctrl_initgain_byrssi_highpwr(struct net_device *dev)
 		if (dm_digtable.dig_highpwr_state == DM_STA_DIG_OFF &&
 			(priv->reset_count == reset_cnt_highpwr))
 			return;
-		else
 		dm_digtable.dig_highpwr_state = DM_STA_DIG_OFF;
 
 		if (priv->undecorated_smoothed_pwdb < dm_digtable.rssi_high_power_lowthresh &&

drivers/staging/rtl8192e/rtl8192e/rtl_ps.c

@@ -202,14 +202,13 @@ void rtllib_ips_leave_wq(struct net_device *dev)
 				RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",
 					 __func__);
 				return;
-			} else {
+			}
 			netdev_info(dev, "=========>%s(): IPSLeave\n",
 				    __func__);
 			queue_work_rsl(priv->rtllib->wq,
 				       &priv->rtllib->ips_leave_wq);
 		}
 	}
-	}
 }
 
 void rtllib_ips_leave(struct net_device *dev)

drivers/staging/rtl8192e/rtl8192e/rtl_wx.c

@@ -346,9 +346,8 @@ static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
 						 __func__);
 					up(&priv->wx_sem);
 					return -1;
-				} else {
-					netdev_info(dev,
-						    "=========>%s(): IPSLeave\n",
+				}
+				netdev_info(dev,  "=========>%s(): IPSLeave\n",
 					    __func__);
 				down(&priv->rtllib->ips_sem);
 				IPSLeave(dev);
@@ -356,7 +355,6 @@ static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
 			}
 		}
 	}
-	}
 	ret = rtllib_wx_set_mode(priv->rtllib, a, wrqu, b);
 
 	up(&priv->wx_sem);
@@ -509,16 +507,14 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
 						 __func__);
 					up(&priv->wx_sem);
 					return -1;
-				} else {
-					RT_TRACE(COMP_PS,
-						 "=========>%s(): IPSLeave\n",
+				}
+				RT_TRACE(COMP_PS, "=========>%s(): IPSLeave\n",
 					 __func__);
 				down(&priv->rtllib->ips_sem);
 				IPSLeave(dev);
 				up(&priv->rtllib->ips_sem);
 			}
 		}
-		}
 		rtllib_stop_scan(priv->rtllib);
 		if (priv->rtllib->LedControlHandler)
 			priv->rtllib->LedControlHandler(dev,

drivers/staging/rtl8192e/rtl819x_HTProc.c

@@ -135,16 +135,14 @@ u16  TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
 	u8	is40MHz = 0;
 	u8	isShortGI = 0;
 
-	if (nDataRate < 12) {
+	if (nDataRate < 12)
 		return CCKOFDMRate[nDataRate];
-	} else {
 	if (nDataRate >= 0x10 && nDataRate <= 0x1f) {
 		is40MHz = 0;
 		isShortGI = 0;
 	} else if (nDataRate >= 0x20  && nDataRate <= 0x2f) {
 		is40MHz = 1;
 		isShortGI = 0;
-
 	} else if (nDataRate >= 0x30  && nDataRate <= 0x3f) {
 		is40MHz = 0;
 		isShortGI = 1;
@@ -153,7 +151,6 @@ u16  TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
 		isShortGI = 1;
 	}
 	return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
-	}
 }
 
 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)

drivers/staging/rtl8192e/rtl819x_TSProc.c

@@ -311,6 +311,11 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS,
 	   u8 *Addr, u8 TID, enum tr_select TxRxSelect, bool bAddNewTs)
 {
 	u8	UP = 0;
+	union tspec_body TSpec;
+	union qos_tsinfo *pTSInfo = &TSpec.f.TSInfo;
+	struct list_head *pUnusedList;
+	struct list_head *pAddmitList;
+	enum direction_value Dir;
 
 	if (is_multicast_ether_addr(Addr)) {
 		RTLLIB_DEBUG(RTLLIB_DL_ERR,
@@ -348,30 +353,27 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS,
 	}
 
 	*ppTS = SearchAdmitTRStream(ieee, Addr, UP, TxRxSelect);
-	if (*ppTS != NULL) {
+	if (*ppTS != NULL)
 		return true;
-	} else {
+
 	if (!bAddNewTs) {
 		RTLLIB_DEBUG(RTLLIB_DL_TS,
 			     "add new TS failed(tid:%d)\n", UP);
 		return false;
-		} else {
-			union tspec_body TSpec;
-			union qos_tsinfo *pTSInfo = &TSpec.f.TSInfo;
-			struct list_head *pUnusedList =
-				(TxRxSelect == TX_DIR) ?
+	}
+
+	pUnusedList = (TxRxSelect == TX_DIR) ?
 				(&ieee->Tx_TS_Unused_List) :
 				(&ieee->Rx_TS_Unused_List);
 
-			struct list_head *pAddmitList =
-				(TxRxSelect == TX_DIR) ?
+	pAddmitList = (TxRxSelect == TX_DIR) ?
 				(&ieee->Tx_TS_Admit_List) :
 				(&ieee->Rx_TS_Admit_List);
 
-			enum direction_value Dir =
-				 (ieee->iw_mode == IW_MODE_MASTER) ?
+	Dir = (ieee->iw_mode == IW_MODE_MASTER) ?
 				((TxRxSelect == TX_DIR) ? DIR_DOWN : DIR_UP) :
 				((TxRxSelect == TX_DIR) ? DIR_UP : DIR_DOWN);
+
 	RTLLIB_DEBUG(RTLLIB_DL_TS, "to add Ts\n");
 	if (!list_empty(pUnusedList)) {
 		(*ppTS) = list_entry(pUnusedList->next,
@@ -409,14 +411,12 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS,
 		list_add_tail(&((*ppTS)->List), pAddmitList);
 
 		return true;
-			} else {
+	}
+
 	RTLLIB_DEBUG(RTLLIB_DL_ERR,
 		     "ERR!!in function %s() There is not enough dir=%d(0=up down=1) TS record to be used!!",
 		     __func__, Dir);
 	return false;
-			}
-		}
-	}
 }
 
 static void RemoveTsEntry(struct rtllib_device *ieee, struct ts_common_info *pTs,

drivers/staging/rtl8192e/rtllib_rx.c

@@ -783,7 +783,8 @@ static u8 parse_subframe(struct rtllib_device *ieee, struct sk_buff *skb,
 		memcpy(rxb->dst, dst, ETH_ALEN);
 		rxb->subframes[0]->dev = ieee->dev;
 		return 1;
-	} else {
+	}
+
 	rxb->nr_subframes = 0;
 	memcpy(rxb->src, src, ETH_ALEN);
 	memcpy(rxb->dst, dst, ETH_ALEN);
@@ -850,7 +851,6 @@ static u8 parse_subframe(struct rtllib_device *ieee, struct sk_buff *skb,
 	}
 
 	return rxb->nr_subframes;
-	}
 }
 
 

drivers/staging/rtl8192e/rtllib_softmac.c

@@ -2540,14 +2540,13 @@ static void rtllib_resume_tx(struct rtllib_device *ieee)
 		if (ieee->queue_stop) {
 			ieee->tx_pending.frag = i;
 			return;
-		} else {
+		}
 
 		ieee->softmac_data_hard_start_xmit(
 			ieee->tx_pending.txb->fragments[i],
 			ieee->dev, ieee->rate);
 		ieee->stats.tx_packets++;
 	}
-	}
 
 	rtllib_txb_free(ieee->tx_pending.txb);
 	ieee->tx_pending.txb = NULL;

drivers/staging/rtl8192e/rtllib_tx.c

@@ -413,6 +413,8 @@ static void rtllib_query_protectionmode(struct rtllib_device *ieee,
 					struct cb_desc *tcb_desc,
 					struct sk_buff *skb)
 {
+	struct rt_hi_throughput *pHTInfo;
+
 	tcb_desc->bRTSSTBC			= false;
 	tcb_desc->bRTSUseShortGI		= false;
 	tcb_desc->bCTSEnable			= false;
@@ -435,8 +437,9 @@ static void rtllib_query_protectionmode(struct rtllib_device *ieee,
 			tcb_desc->rts_rate = MGN_24M;
 		}
 		return;
-	} else {
-		struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
+	}
+
+	pHTInfo = ieee->pHTInfo;
 
 	while (true) {
 		if (pHTInfo->IOTAction & HT_IOT_ACT_FORCED_CTS2SELF) {
@@ -479,7 +482,6 @@ static void rtllib_query_protectionmode(struct rtllib_device *ieee,
 		}
 		goto NO_PROTECTION;
 	}
-	}
 	if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
 		tcb_desc->bUseShortPreamble = true;
 	if (ieee->iw_mode == IW_MODE_MASTER)