staging: rtl8192e: Fix RETURN_VOID warnings

Fix 'void function return statements are not generally useful'
checkpatch.pl warnings

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

@@ -2137,7 +2137,6 @@ void rtl8192_halt_adapter(struct net_device *dev, bool reset)
 		skb_queue_purge(&priv->rtllib->skb_aggQ[i]);
 
 	skb_queue_purge(&priv->skb_queue);
-	return;
 }
 
 void rtl8192_update_ratr_table(struct net_device *dev)
@@ -2415,5 +2414,4 @@ void ActUpdateChannelAccessSetting(struct net_device *dev,
 	enum wireless_mode WirelessMode,
 	struct channel_access_setting *ChnlAccessSetting)
 {
-	return;
 }

drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c

@@ -94,7 +94,6 @@ void rtl8192_setBBreg(struct net_device *dev, u32 dwRegAddr, u32 dwBitMask,
 		write_nic_dword(dev, dwRegAddr, NewValue);
 	} else
 		write_nic_dword(dev, dwRegAddr, dwData);
-	return;
 }
 
 u32 rtl8192_QueryBBReg(struct net_device *dev, u32 dwRegAddr, u32 dwBitMask)
@@ -215,7 +214,6 @@ static void rtl8192_phy_RFSerialWrite(struct net_device *dev,
 		}
 		rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x3);
 	}
-	return;
 }
 
 void rtl8192_phy_SetRFReg(struct net_device *dev, enum rf90_radio_path eRFPath,
@@ -256,7 +254,6 @@ void rtl8192_phy_SetRFReg(struct net_device *dev, enum rf90_radio_path eRFPath,
 		} else
 			rtl8192_phy_RFSerialWrite(dev, eRFPath, RegAddr, Data);
 	}
-	return;
 }
 
 u32 rtl8192_phy_QueryRFReg(struct net_device *dev, enum rf90_radio_path eRFPath,
@@ -399,7 +396,6 @@ void rtl8192_phyConfigBB(struct net_device *dev, u8 ConfigType)
 				 Rtl819XAGCTAB_Array_Table[i+1]);
 		}
 	}
-	return;
 }
 
 static void rtl8192_InitBBRFRegDef(struct net_device *dev)
@@ -640,7 +636,6 @@ void rtl8192_phy_getTxPower(struct net_device *dev)
 	RT_TRACE(COMP_INIT, "Default framesync (0x%x) = 0x%x\n",
 		rOFDM0_RxDetector3, priv->framesync);
 	priv->SifsTime = read_nic_word(dev, SIFS);
-	return;
 }
 
 void rtl8192_phy_setTxPower(struct net_device *dev, u8 channel)
@@ -694,7 +689,6 @@ void rtl8192_phy_setTxPower(struct net_device *dev, u8 channel)
 			 __func__);
 		break;
 	}
-	return;
 }
 
 bool rtl8192_phy_RFConfig(struct net_device *dev)
@@ -723,7 +717,6 @@ bool rtl8192_phy_RFConfig(struct net_device *dev)
 
 void rtl8192_phy_updateInitGain(struct net_device *dev)
 {
-	return;
 }
 
 u8 rtl8192_phy_ConfigRFWithHeaderFile(struct net_device *dev,
@@ -813,7 +806,6 @@ static void rtl8192_SetTxPowerLevel(struct net_device *dev, u8 channel)
 			 "unknown rf chip ID in rtl8192_SetTxPowerLevel()\n");
 		break;
 	}
-	return;
 }
 
 static u8 rtl8192_phy_SetSwChnlCmdArray(struct sw_chnl_cmd *CmdTable,

drivers/staging/rtl8192e/rtl8192e/rtl_core.c

@@ -741,8 +741,6 @@ static void rtl8192_prepare_beacon(struct r8192_priv *priv)
 	priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
 	__skb_queue_tail(&ring->queue, pnewskb);
 	pdesc->OWN = 1;
-
-	return;
 }
 
 static void rtl8192_stop_beacon(struct net_device *dev)
@@ -856,7 +854,6 @@ static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
 	} else {
 		memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
 	}
-	return;
 }
 
 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
@@ -1901,8 +1898,6 @@ void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 						 priv->rtllib->tx_headroom);
 		priv->rtllib->stats.tx_packets++;
 	}
-
-	return;
 }
 
 int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -1985,8 +1980,6 @@ void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
 
 	__skb_queue_tail(&ring->queue, skb);
 	spin_unlock_irqrestore(&priv->irq_th_lock, flags);
-
-	return;
 }
 
 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)

drivers/staging/rtl8192e/rtllib_rx.c

@@ -2623,7 +2623,6 @@ static inline void rtllib_process_probe_response(
 	}
 free_network:
 	kfree(network);
-	return;
 }
 
 void rtllib_rx_mgt(struct rtllib_device *ieee,

drivers/staging/rtl8192e/rtllib_softmac.c

@@ -2228,7 +2228,6 @@ static void rtllib_process_action(struct rtllib_device *ieee, struct sk_buff *sk
 	default:
 		break;
 	}
-	return;
 }
 
 inline int rtllib_rx_assoc_resp(struct rtllib_device *ieee, struct sk_buff *skb,