diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index 5bdb78cdeab0..48f9f71051e4 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -20,21 +20,21 @@
 #include "rtl819x_BA.h"
 #include "rtl_core.h"
 
-void ActivateBAEntry(struct rtllib_device *ieee, struct ba_record *pBA,
-		     u16 Time)
+static void ActivateBAEntry(struct rtllib_device *ieee, struct ba_record *pBA,
+			    u16 Time)
 {
 	pBA->bValid = true;
 	if (Time != 0)
 		mod_timer(&pBA->Timer, jiffies + MSECS(Time));
 }
 
-void DeActivateBAEntry(struct rtllib_device *ieee, struct ba_record *pBA)
+static void DeActivateBAEntry(struct rtllib_device *ieee, struct ba_record *pBA)
 {
 	pBA->bValid = false;
 	del_timer_sync(&pBA->Timer);
 }
 
-u8 TxTsDeleteBA(struct rtllib_device *ieee, struct tx_ts_record *pTxTs)
+static u8 TxTsDeleteBA(struct rtllib_device *ieee, struct tx_ts_record *pTxTs)
 {
 	struct ba_record *pAdmittedBa = &pTxTs->TxAdmittedBARecord;
 	struct ba_record *pPendingBa = &pTxTs->TxPendingBARecord;
@@ -52,7 +52,7 @@ u8 TxTsDeleteBA(struct rtllib_device *ieee, struct tx_ts_record *pTxTs)
 	return bSendDELBA;
 }
 
-u8 RxTsDeleteBA(struct rtllib_device *ieee, struct rx_ts_record *pRxTs)
+static u8 RxTsDeleteBA(struct rtllib_device *ieee, struct rx_ts_record *pRxTs)
 {
 	struct ba_record *pBa = &pRxTs->RxAdmittedBARecord;
 	u8			bSendDELBA = false;
@@ -193,8 +193,8 @@ static struct sk_buff *rtllib_DELBA(struct rtllib_device *ieee, u8 *dst,
 	return skb;
 }
 
-void rtllib_send_ADDBAReq(struct rtllib_device *ieee, u8 *dst,
-			  struct ba_record *pBA)
+static void rtllib_send_ADDBAReq(struct rtllib_device *ieee, u8 *dst,
+				 struct ba_record *pBA)
 {
 	struct sk_buff *skb = NULL;
 	skb = rtllib_ADDBA(ieee, dst, pBA, 0, ACT_ADDBAREQ);
@@ -209,8 +209,8 @@ void rtllib_send_ADDBAReq(struct rtllib_device *ieee, u8 *dst,
 	return;
 }
 
-void rtllib_send_ADDBARsp(struct rtllib_device *ieee, u8 *dst,
-			  struct ba_record *pBA, u16 StatusCode)
+static void rtllib_send_ADDBARsp(struct rtllib_device *ieee, u8 *dst,
+				 struct ba_record *pBA, u16 StatusCode)
 {
 	struct sk_buff *skb = NULL;
 	skb = rtllib_ADDBA(ieee, dst, pBA, StatusCode, ACT_ADDBARSP);
@@ -222,9 +222,9 @@ void rtllib_send_ADDBARsp(struct rtllib_device *ieee, u8 *dst,
 	return;
 }
 
-void rtllib_send_DELBA(struct rtllib_device *ieee, u8 *dst,
-		       struct ba_record *pBA, enum tr_select TxRxSelect,
-		       u16 ReasonCode)
+static void rtllib_send_DELBA(struct rtllib_device *ieee, u8 *dst,
+			      struct ba_record *pBA, enum tr_select TxRxSelect,
+			      u16 ReasonCode)
 {
 	struct sk_buff *skb = NULL;
 	skb = rtllib_DELBA(ieee, dst, pBA, TxRxSelect, ReasonCode);
diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c
index f8da913c47be..b1c0c566882f 100644
--- a/drivers/staging/rtl8192e/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c
@@ -214,7 +214,7 @@ void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString)
 	return;
 }
 
-bool IsHTHalfNmode40Bandwidth(struct rtllib_device *ieee)
+static bool IsHTHalfNmode40Bandwidth(struct rtllib_device *ieee)
 {
 	bool			retValue = false;
 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
@@ -233,7 +233,7 @@ bool IsHTHalfNmode40Bandwidth(struct rtllib_device *ieee)
 	return retValue;
 }
 
-bool IsHTHalfNmodeSGI(struct rtllib_device *ieee, bool is40MHz)
+static bool IsHTHalfNmodeSGI(struct rtllib_device *ieee, bool is40MHz)
 {
 	bool			retValue = false;
 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
@@ -336,7 +336,7 @@ bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
 	return retValue;
 }
 
-void HTIOTPeerDetermine(struct rtllib_device *ieee)
+static void HTIOTPeerDetermine(struct rtllib_device *ieee)
 {
 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 	struct rtllib_network *net = &ieee->current_network;
@@ -378,40 +378,31 @@ void HTIOTPeerDetermine(struct rtllib_device *ieee)
 		     pHTInfo->IOTPeer);
 }
 
-u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
+static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
 {
 	return 0;
 }
 
 
-bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
+static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
 {
 	bool retValue = false;
 
 	return retValue;
 }
 
-bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
+static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
 {
 	return false;
 }
 
-u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr)
+static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr)
 {
 	return false;
 }
 
-
-bool HTIOTActIsEnableBETxOPLimit(struct rtllib_device *ieee)
-{
-	bool	retValue = false;
-
-	return retValue;
-}
-
-
-u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
-			  struct rtllib_network *network)
+static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
+				 struct rtllib_network *network)
 {
 	u8	retValue = 0;
 
@@ -422,60 +413,7 @@ u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
 	return retValue;
 }
 
-u8 HTIOTActWAIOTBroadcom(struct rtllib_device *ieee)
-{
-	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
-	u8		retValue = false;
-	u8		boundary = 59;
-
-	pHTInfo->bWAIotBroadcom = false;
-	if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) {
-		if (ieee->current_network.bssht.bdBandWidth ==
-		    HT_CHANNEL_WIDTH_20_40) {
-			if (!(pHTInfo->bRegBW40MHz)) {
-				if (ieee->current_network.mode !=
-				    WIRELESS_MODE_B) {
-					pHTInfo->bWAIotBroadcom = true;
-
-					if (ieee->b_customer_lenovo_id)
-						boundary = 30;
-
-					if (ieee->current_network.RSSI >=
-					    boundary)
-						retValue = true;
-				}
-			}
-		}
-	}
-	return retValue;
-}
-
-u8 HTIOTActIsForcedCTS2Self(struct rtllib_device *ieee,
-			    struct rtllib_network *network)
-{
-	u8	retValue = 0;
-	if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL)
-		retValue = 1;
-
-	return retValue;
-}
-
-u8 HTIOTActIsForcedRTSCTS(struct rtllib_device *ieee,
-			  struct rtllib_network *network)
-{
-	u8	retValue = 0;
-	return retValue;
-}
-
-u8 HTIOTActIsForcedAMSDU8K(struct rtllib_device *ieee,
-			   struct rtllib_network *network)
-{
-	u8 retValue = 0;
-
-	return retValue;
-}
-
-u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
+static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
 {
 	u8	retValue = 0;
 
@@ -484,42 +422,7 @@ u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
 	return retValue;
 }
 
-u8 HTIOCActRejcectADDBARequest(struct rtllib_network *network)
-{
-	u8	retValue = 0;
-
-	return retValue;
-}
-
-u8 HTIOTActIsEDCABiasRx(struct rtllib_device *ieee,
-			struct rtllib_network *network)
-{
-	u8	retValue = 0;
-
-	return retValue;
-}
-
-u8 HTIOTActDisableShortGI(struct rtllib_device *ieee,
-			  struct rtllib_network *network)
-{
-	u8	retValue = 0;
-	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
-
-	if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK)
-			retValue = 1;
-
-	return retValue;
-}
-
-u8 HTIOTActDisableHighPower(struct rtllib_device *ieee,
-			    struct rtllib_network *network)
-{
-	u8	retValue = 0;
-
-	return retValue;
-}
-
-void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
+static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
 {
 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 	pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
@@ -532,52 +435,6 @@ void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
 
 }
 
-
-u8 HTIOTActIsDisableTx40MHz(struct rtllib_device *ieee,
-			    struct rtllib_network *network)
-{
-	u8	retValue = 0;
-
-	return retValue;
-}
-
-u8 HTIOTActIsTxNoAggregation(struct rtllib_device *ieee,
-			     struct rtllib_network *network)
-{
-	u8 retValue = 0;
-
-	return retValue;
-}
-
-u8 HTIOTActIsDisableTx2SS(struct rtllib_device *ieee,
-			  struct rtllib_network *network)
-{
-	u8	retValue = 0;
-
-	return retValue;
-}
-
-bool HTIOCActIsDisableCckRate(struct rtllib_device *ieee,
-			      struct rtllib_network *network)
-{
-	bool	retValue = false;
-	return retValue;
-}
-
-bool HTIOCActAllowPeerAggOnePacket(struct rtllib_device *ieee,
-				   struct rtllib_network *network)
-{
-	bool	retValue = false;
-	return retValue;
-}
-
-bool HTIOTActIsNullDataPowerSaving(struct rtllib_device *ieee,
-				   struct rtllib_network *network)
-{
-	bool	retValue = false;
-	return retValue;
-}
-
 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
 {
 	pHTInfo->IOTAction = 0;
@@ -735,7 +592,7 @@ void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
 	return;
 }
 
-u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
+static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
 {
 	u8 i;
 	if (pOperateMCS == NULL) {
@@ -1148,7 +1005,7 @@ u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
 	return false;
 }
 
-void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
+static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
 {
 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 
diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c
index 6ebd20e8530c..ccec382cea23 100644
--- a/drivers/staging/rtl8192e/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c
@@ -20,15 +20,15 @@
 #include <linux/etherdevice.h>
 #include "rtl819x_TS.h"
 
-void TsSetupTimeOut(unsigned long data)
+static void TsSetupTimeOut(unsigned long data)
 {
 }
 
-void TsInactTimeout(unsigned long data)
+static void TsInactTimeout(unsigned long data)
 {
 }
 
-void RxPktPendingTimeout(unsigned long data)
+static void RxPktPendingTimeout(unsigned long data)
 {
 	struct rx_ts_record *pRxTs = (struct rx_ts_record *)data;
 	struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device,
@@ -97,7 +97,7 @@ void RxPktPendingTimeout(unsigned long data)
 	spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 }
 
-void TsAddBaProcess(unsigned long data)
+static void TsAddBaProcess(unsigned long data)
 {
 	struct tx_ts_record *pTxTs = (struct tx_ts_record *)data;
 	u8 num = pTxTs->num;
@@ -109,7 +109,7 @@ void TsAddBaProcess(unsigned long data)
 		     "started!!\n");
 }
 
-void ResetTsCommonInfo(struct ts_common_info *pTsCommonInfo)
+static void ResetTsCommonInfo(struct ts_common_info *pTsCommonInfo)
 {
 	memset(pTsCommonInfo->Addr, 0, 6);
 	memset(&pTsCommonInfo->TSpec, 0, sizeof(union tspec_body));
@@ -118,7 +118,7 @@ void ResetTsCommonInfo(struct ts_common_info *pTsCommonInfo)
 	pTsCommonInfo->TClasNum = 0;
 }
 
-void ResetTxTsEntry(struct tx_ts_record *pTS)
+static void ResetTxTsEntry(struct tx_ts_record *pTS)
 {
 	ResetTsCommonInfo(&pTS->TsCommonInfo);
 	pTS->TxCurSeq = 0;
@@ -130,7 +130,7 @@ void ResetTxTsEntry(struct tx_ts_record *pTS)
 	ResetBaEntry(&pTS->TxPendingBARecord);
 }
 
-void ResetRxTsEntry(struct rx_ts_record *pTS)
+static void ResetRxTsEntry(struct rx_ts_record *pTS)
 {
 	ResetTsCommonInfo(&pTS->TsCommonInfo);
 	pTS->RxIndicateSeq = 0xffff;
@@ -215,8 +215,8 @@ void TSInitialize(struct rtllib_device *ieee)
 
 }
 
-void AdmitTS(struct rtllib_device *ieee, struct ts_common_info *pTsCommonInfo,
-	     u32 InactTime)
+static void AdmitTS(struct rtllib_device *ieee,
+		    struct ts_common_info *pTsCommonInfo, u32 InactTime)
 {
 	del_timer_sync(&pTsCommonInfo->SetupTimer);
 	del_timer_sync(&pTsCommonInfo->InactTimer);
@@ -226,11 +226,12 @@ void AdmitTS(struct rtllib_device *ieee, struct ts_common_info *pTsCommonInfo,
 			  MSECS(InactTime));
 }
 
-struct ts_common_info *SearchAdmitTRStream(struct rtllib_device *ieee, u8 *Addr,
-					   u8 TID, enum tr_select TxRxSelect)
+static struct ts_common_info *SearchAdmitTRStream(struct rtllib_device *ieee,
+						  u8 *Addr, u8 TID,
+						  enum tr_select TxRxSelect)
 {
 	u8	dir;
-	bool	search_dir[4] = {0, 0, 0, 0};
+	bool	search_dir[4] = {0};
 	struct list_head *psearch_list;
 	struct ts_common_info *pRet = NULL;
 	if (ieee->iw_mode == IW_MODE_MASTER) {
@@ -283,9 +284,9 @@ struct ts_common_info *SearchAdmitTRStream(struct rtllib_device *ieee, u8 *Addr,
 		return NULL;
 }
 
-void MakeTSEntry(struct ts_common_info *pTsCommonInfo, u8 *Addr,
-		 union tspec_body *pTSPEC, union qos_tclas *pTCLAS,
-		 u8 TCLAS_Num, u8 TCLAS_Proc)
+static void MakeTSEntry(struct ts_common_info *pTsCommonInfo, u8 *Addr,
+			union tspec_body *pTSPEC, union qos_tclas *pTCLAS,
+			u8 TCLAS_Num, u8 TCLAS_Proc)
 {
 	u8	count;
 
@@ -418,8 +419,8 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS,
 	}
 }
 
-void RemoveTsEntry(struct rtllib_device *ieee, struct ts_common_info *pTs,
-		   enum tr_select TxRxSelect)
+static void RemoveTsEntry(struct rtllib_device *ieee, struct ts_common_info *pTs,
+			  enum tr_select TxRxSelect)
 {
 	del_timer_sync(&pTs->SetupTimer);
 	del_timer_sync(&pTs->InactTimer);
diff --git a/drivers/staging/rtl8192e/rtllib_crypt_ccmp.c b/drivers/staging/rtl8192e/rtllib_crypt_ccmp.c
index 78059b9671fc..6196b9aa3a09 100644
--- a/drivers/staging/rtl8192e/rtllib_crypt_ccmp.c
+++ b/drivers/staging/rtl8192e/rtllib_crypt_ccmp.c
@@ -53,7 +53,7 @@ struct rtllib_ccmp_data {
 	u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN];
 };
 
-void rtllib_ccmp_aes_encrypt(struct crypto_tfm *tfm,
+static void rtllib_ccmp_aes_encrypt(struct crypto_tfm *tfm,
 			     const u8 pt[16], u8 ct[16])
 {
 	crypto_cipher_encrypt_one((void *)tfm, ct, pt);
diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c
index dd0d8db01bda..0fe67a54edd2 100644
--- a/drivers/staging/rtl8192e/rtllib_module.c
+++ b/drivers/staging/rtl8192e/rtllib_module.c
@@ -68,7 +68,7 @@ static inline int rtllib_networks_allocate(struct rtllib_device *ieee)
 	if (ieee->networks)
 		return 0;
 
-	ieee->networks = kmalloc(
+	ieee->networks = kzalloc(
 		MAX_NETWORK_COUNT * sizeof(struct rtllib_network),
 		GFP_KERNEL);
 	if (!ieee->networks) {
@@ -77,9 +77,6 @@ static inline int rtllib_networks_allocate(struct rtllib_device *ieee)
 		return -ENOMEM;
 	}
 
-	memset(ieee->networks, 0,
-	       MAX_NETWORK_COUNT * sizeof(struct rtllib_network));
-
 	return 0;
 }
 
@@ -223,7 +220,7 @@ u32 rtllib_debug_level;
 static int debug = \
 			    RTLLIB_DL_ERR
 			    ;
-struct proc_dir_entry *rtllib_proc;
+static struct proc_dir_entry *rtllib_proc;
 
 static int show_debug_level(char *page, char **start, off_t offset,
 			    int count, int *eof, void *data)
@@ -231,7 +228,7 @@ static int show_debug_level(char *page, char **start, off_t offset,
 	return snprintf(page, count, "0x%08X\n", rtllib_debug_level);
 }
 
-static int store_debug_level(struct file *file, const char *buffer,
+static int store_debug_level(struct file *file, const char __user *buffer,
 			     unsigned long count, void *data)
 {
 	char buf[] = "0x00000000";
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index dd4dec8c53af..a420ed1a9479 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -23,15 +23,6 @@
 #include <linux/uaccess.h>
 #include "dot11d.h"
 
-u8 rsn_authen_cipher_suite[16][4] = {
-	{0x00, 0x0F, 0xAC, 0x00},
-	{0x00, 0x0F, 0xAC, 0x01},
-	{0x00, 0x0F, 0xAC, 0x02},
-	{0x00, 0x0F, 0xAC, 0x03},
-	{0x00, 0x0F, 0xAC, 0x04},
-	{0x00, 0x0F, 0xAC, 0x05},
-};
-
 short rtllib_is_54g(struct rtllib_network *net)
 {
 	return (net->rates_ex_len > 0) || (net->rates_len > 4);
@@ -46,7 +37,7 @@ short rtllib_is_shortslot(struct rtllib_network net)
  * tag and the EXTENDED RATE MFIE tag if needed.
  * It encludes two bytes per tag for the tag itself and its len
  */
-unsigned int rtllib_MFIE_rate_len(struct rtllib_device *ieee)
+static unsigned int rtllib_MFIE_rate_len(struct rtllib_device *ieee)
 {
 	unsigned int rate_len = 0;
 
@@ -64,7 +55,7 @@ unsigned int rtllib_MFIE_rate_len(struct rtllib_device *ieee)
  * Then it updates the pointer so that
  * it points after the new MFIE tag added.
  */
-void rtllib_MFIE_Brate(struct rtllib_device *ieee, u8 **tag_p)
+static void rtllib_MFIE_Brate(struct rtllib_device *ieee, u8 **tag_p)
 {
 	u8 *tag = *tag_p;
 
@@ -82,7 +73,7 @@ void rtllib_MFIE_Brate(struct rtllib_device *ieee, u8 **tag_p)
 	*tag_p = tag;
 }
 
-void rtllib_MFIE_Grate(struct rtllib_device *ieee, u8 **tag_p)
+static void rtllib_MFIE_Grate(struct rtllib_device *ieee, u8 **tag_p)
 {
 	u8 *tag = *tag_p;
 
@@ -103,7 +94,7 @@ void rtllib_MFIE_Grate(struct rtllib_device *ieee, u8 **tag_p)
 	*tag_p = tag;
 }
 
-void rtllib_WMM_Info(struct rtllib_device *ieee, u8 **tag_p)
+static void rtllib_WMM_Info(struct rtllib_device *ieee, u8 **tag_p)
 {
 	u8 *tag = *tag_p;
 
@@ -137,7 +128,7 @@ void rtllib_TURBO_Info(struct rtllib_device *ieee, u8 **tag_p)
 	printk(KERN_ALERT "This is enable turbo mode IE process\n");
 }
 
-void enqueue_mgmt(struct rtllib_device *ieee, struct sk_buff *skb)
+static void enqueue_mgmt(struct rtllib_device *ieee, struct sk_buff *skb)
 {
 	int nh;
 	nh = (ieee->mgmt_queue_head + 1) % MGMT_QUEUE_NUM;
@@ -154,7 +145,7 @@ void enqueue_mgmt(struct rtllib_device *ieee, struct sk_buff *skb)
 
 }
 
-struct sk_buff *dequeue_mgmt(struct rtllib_device *ieee)
+static struct sk_buff *dequeue_mgmt(struct rtllib_device *ieee)
 {
 	struct sk_buff *ret;
 
@@ -169,7 +160,7 @@ struct sk_buff *dequeue_mgmt(struct rtllib_device *ieee)
 	return ret;
 }
 
-void init_mgmt_queue(struct rtllib_device *ieee)
+static void init_mgmt_queue(struct rtllib_device *ieee)
 {
 	ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0;
 }
@@ -394,7 +385,7 @@ inline struct sk_buff *rtllib_probe_req(struct rtllib_device *ieee)
 
 struct sk_buff *rtllib_get_beacon_(struct rtllib_device *ieee);
 
-void rtllib_send_beacon(struct rtllib_device *ieee)
+static void rtllib_send_beacon(struct rtllib_device *ieee)
 {
 	struct sk_buff *skb;
 	if (!ieee->ieee_up)
@@ -412,7 +403,7 @@ void rtllib_send_beacon(struct rtllib_device *ieee)
 }
 
 
-void rtllib_send_beacon_cb(unsigned long _ieee)
+static void rtllib_send_beacon_cb(unsigned long _ieee)
 {
 	struct rtllib_device *ieee =
 		(struct rtllib_device *) _ieee;
@@ -500,7 +491,7 @@ void rtllib_DisableIntelPromiscuousMode(struct net_device *dev,
 	ieee->bNetPromiscuousMode = false;
 }
 
-void rtllib_send_probe(struct rtllib_device *ieee, u8 is_mesh)
+static void rtllib_send_probe(struct rtllib_device *ieee, u8 is_mesh)
 {
 	struct sk_buff *skb;
 	skb = rtllib_probe_req(ieee);
@@ -520,7 +511,7 @@ void rtllib_send_probe_requests(struct rtllib_device *ieee, u8 is_mesh)
 	}
 }
 
-void rtllib_softmac_hint11d_wq(void *data)
+static void rtllib_softmac_hint11d_wq(void *data)
 {
 }
 
@@ -602,7 +593,7 @@ void rtllib_softmac_scan_syncro(struct rtllib_device *ieee, u8 is_mesh)
 	wireless_send_event(ieee->dev, SIOCGIWSCAN, &wrqu, NULL);
 }
 
-void rtllib_softmac_scan_wq(void *data)
+static void rtllib_softmac_scan_wq(void *data)
 {
 	struct rtllib_device *ieee = container_of_dwork_rsl(data,
 				     struct rtllib_device, softmac_scan_wq);
@@ -662,7 +653,7 @@ void rtllib_softmac_scan_wq(void *data)
 
 
 
-void rtllib_beacons_start(struct rtllib_device *ieee)
+static void rtllib_beacons_start(struct rtllib_device *ieee)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&ieee->beacon_lock, flags);
@@ -673,7 +664,7 @@ void rtllib_beacons_start(struct rtllib_device *ieee)
 	spin_unlock_irqrestore(&ieee->beacon_lock, flags);
 }
 
-void rtllib_beacons_stop(struct rtllib_device *ieee)
+static void rtllib_beacons_stop(struct rtllib_device *ieee)
 {
 	unsigned long flags;
 
@@ -705,7 +696,7 @@ void rtllib_start_send_beacons(struct rtllib_device *ieee)
 }
 
 
-void rtllib_softmac_stop_scan(struct rtllib_device *ieee)
+static void rtllib_softmac_stop_scan(struct rtllib_device *ieee)
 {
 	down(&ieee->scan_sem);
 	ieee->scan_watch_dog = 0;
@@ -752,7 +743,7 @@ bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan)
 }
 
 /* called with ieee->lock held */
-void rtllib_start_scan(struct rtllib_device *ieee)
+static void rtllib_start_scan(struct rtllib_device *ieee)
 {
 	RT_TRACE(COMP_DBG, "===>%s()\n", __func__);
 	if (ieee->rtllib_ips_leave_wq != NULL)
@@ -831,24 +822,6 @@ inline struct sk_buff *rtllib_authentication_req(struct rtllib_network *beacon,
 	return skb;
 }
 
-void constructWMMIE(u8 *wmmie, u8 *wmm_len, u8 oui_subtype)
-{
-	u8	szQoSOUI[] = {221, 0, 0x00, 0x50, 0xf2, 0x02, 0, 1};
-
-	if (oui_subtype == OUI_SUBTYPE_QOS_CAPABI) {
-		szQoSOUI[0] = 46;
-		szQoSOUI[1] = *wmm_len;
-		memcpy(wmmie, szQoSOUI, 3);
-		*wmm_len = 3;
-	} else {
-		szQoSOUI[1] = *wmm_len + 6;
-		szQoSOUI[6] = oui_subtype;
-		memcpy(wmmie, szQoSOUI, 8);
-		*(wmmie+8) = 0;
-		*wmm_len = 9;
-	}
-}
-
 static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee, u8 *dest)
 {
 	u8 *tag;
@@ -998,7 +971,7 @@ static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee, u8 *dest)
 	return skb;
 }
 
-struct sk_buff *rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest)
+static struct sk_buff *rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest)
 {
 	struct sk_buff *skb;
 	u8 *tag;
@@ -1057,7 +1030,7 @@ struct sk_buff *rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest)
 	return skb;
 }
 
-struct sk_buff *rtllib_auth_resp(struct rtllib_device *ieee, int status,
+static struct sk_buff *rtllib_auth_resp(struct rtllib_device *ieee, int status,
 				 u8 *dest)
 {
 	struct sk_buff *skb = NULL;
@@ -1087,7 +1060,7 @@ struct sk_buff *rtllib_auth_resp(struct rtllib_device *ieee, int status,
 
 }
 
-struct sk_buff *rtllib_null_func(struct rtllib_device *ieee, short pwr)
+static struct sk_buff *rtllib_null_func(struct rtllib_device *ieee, short pwr)
 {
 	struct sk_buff *skb;
 	struct rtllib_hdr_3addr *hdr;
@@ -1114,7 +1087,7 @@ struct sk_buff *rtllib_null_func(struct rtllib_device *ieee, short pwr)
 
 }
 
-struct sk_buff *rtllib_pspoll_func(struct rtllib_device *ieee)
+static struct sk_buff *rtllib_pspoll_func(struct rtllib_device *ieee)
 {
 	struct sk_buff *skb;
 	struct rtllib_pspoll_hdr *hdr;
@@ -1139,7 +1112,7 @@ struct sk_buff *rtllib_pspoll_func(struct rtllib_device *ieee)
 
 }
 
-void rtllib_resp_to_assoc_rq(struct rtllib_device *ieee, u8 *dest)
+static void rtllib_resp_to_assoc_rq(struct rtllib_device *ieee, u8 *dest)
 {
 	struct sk_buff *buf = rtllib_assoc_resp(ieee, dest);
 
@@ -1148,7 +1121,7 @@ void rtllib_resp_to_assoc_rq(struct rtllib_device *ieee, u8 *dest)
 }
 
 
-void rtllib_resp_to_auth(struct rtllib_device *ieee, int s, u8 *dest)
+static void rtllib_resp_to_auth(struct rtllib_device *ieee, int s, u8 *dest)
 {
 	struct sk_buff *buf = rtllib_auth_resp(ieee, s, dest);
 
@@ -1157,7 +1130,7 @@ void rtllib_resp_to_auth(struct rtllib_device *ieee, int s, u8 *dest)
 }
 
 
-void rtllib_resp_to_probe(struct rtllib_device *ieee, u8 *dest)
+static void rtllib_resp_to_probe(struct rtllib_device *ieee, u8 *dest)
 {
 
 	struct sk_buff *buf = rtllib_probe_resp(ieee, dest);
@@ -1466,12 +1439,12 @@ void rtllib_associate_abort(struct rtllib_device *ieee)
 	spin_unlock_irqrestore(&ieee->lock, flags);
 }
 
-void rtllib_associate_abort_cb(unsigned long dev)
+static void rtllib_associate_abort_cb(unsigned long dev)
 {
 	rtllib_associate_abort((struct rtllib_device *) dev);
 }
 
-void rtllib_associate_step1(struct rtllib_device *ieee, u8 * daddr)
+static void rtllib_associate_step1(struct rtllib_device *ieee, u8 * daddr)
 {
 	struct rtllib_network *beacon = &ieee->current_network;
 	struct sk_buff *skb;
@@ -1495,7 +1468,7 @@ void rtllib_associate_step1(struct rtllib_device *ieee, u8 * daddr)
 	}
 }
 
-void rtllib_auth_challenge(struct rtllib_device *ieee, u8 *challenge, int chlen)
+static void rtllib_auth_challenge(struct rtllib_device *ieee, u8 *challenge, int chlen)
 {
 	u8 *c;
 	struct sk_buff *skb;
@@ -1526,7 +1499,7 @@ void rtllib_auth_challenge(struct rtllib_device *ieee, u8 *challenge, int chlen)
 	kfree(challenge);
 }
 
-void rtllib_associate_step2(struct rtllib_device *ieee)
+static void rtllib_associate_step2(struct rtllib_device *ieee)
 {
 	struct sk_buff *skb;
 	struct rtllib_network *beacon = &ieee->current_network;
@@ -1546,7 +1519,7 @@ void rtllib_associate_step2(struct rtllib_device *ieee)
 }
 
 #define CANCELLED  2
-void rtllib_associate_complete_wq(void *data)
+static void rtllib_associate_complete_wq(void *data)
 {
 	struct rtllib_device *ieee = (struct rtllib_device *)
 				     container_of_work_rsl(data,
@@ -1606,7 +1579,7 @@ static void rtllib_sta_send_associnfo(struct rtllib_device *ieee)
 {
 }
 
-void rtllib_associate_complete(struct rtllib_device *ieee)
+static void rtllib_associate_complete(struct rtllib_device *ieee)
 {
 	del_timer_sync(&ieee->associate_timer);
 
@@ -1616,7 +1589,7 @@ void rtllib_associate_complete(struct rtllib_device *ieee)
 	queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
 }
 
-void rtllib_associate_procedure_wq(void *data)
+static void rtllib_associate_procedure_wq(void *data)
 {
 	struct rtllib_device *ieee = container_of_dwork_rsl(data,
 				     struct rtllib_device,
@@ -1828,7 +1801,7 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
 	return cpu_to_le16(a->status);
 }
 
-int auth_rq_parse(struct sk_buff *skb, u8 *dest)
+static int auth_rq_parse(struct sk_buff *skb, u8 *dest)
 {
 	struct rtllib_authentication *a;
 
@@ -1894,7 +1867,7 @@ static short probe_rq_parse(struct rtllib_device *ieee, struct sk_buff *skb,
 	return !strncmp(ssid, ieee->current_network.ssid, ssidlen);
 }
 
-int assoc_rq_parse(struct sk_buff *skb, u8 *dest)
+static int assoc_rq_parse(struct sk_buff *skb, u8 *dest)
 {
 	struct rtllib_assoc_request_frame *a;
 
@@ -2075,7 +2048,7 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
 
 }
 
-inline void rtllib_sta_ps(struct rtllib_device *ieee)
+static inline void rtllib_sta_ps(struct rtllib_device *ieee)
 {
 	u64 time;
 	short sleep;
@@ -2196,7 +2169,7 @@ void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success)
 	spin_unlock_irqrestore(&ieee->lock, flags);
 }
 
-void rtllib_process_action(struct rtllib_device *ieee, struct sk_buff *skb)
+static void rtllib_process_action(struct rtllib_device *ieee, struct sk_buff *skb)
 {
 	struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data;
 	u8 *act = rtllib_get_payload((struct rtllib_hdr *)header);
@@ -2530,7 +2503,7 @@ void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee)
 }
 
 /* called with ieee->lock acquired */
-void rtllib_resume_tx(struct rtllib_device *ieee)
+static void rtllib_resume_tx(struct rtllib_device *ieee)
 {
 	int i;
 	for (i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags;
@@ -2675,7 +2648,7 @@ void rtllib_start_master_bss(struct rtllib_device *ieee)
 	netif_carrier_on(ieee->dev);
 }
 
-void rtllib_start_monitor_mode(struct rtllib_device *ieee)
+static void rtllib_start_monitor_mode(struct rtllib_device *ieee)
 {
 	/* reset hardware status */
 	if (ieee->raw_tx) {
@@ -2686,7 +2659,7 @@ void rtllib_start_monitor_mode(struct rtllib_device *ieee)
 	}
 }
 
-void rtllib_start_ibss_wq(void *data)
+static void rtllib_start_ibss_wq(void *data)
 {
 	struct rtllib_device *ieee = container_of_dwork_rsl(data,
 				     struct rtllib_device, start_ibss_wq);
@@ -2850,7 +2823,7 @@ void rtllib_start_bss(struct rtllib_device *ieee)
 	spin_unlock_irqrestore(&ieee->lock, flags);
 }
 
-void rtllib_link_change_wq(void *data)
+static void rtllib_link_change_wq(void *data)
 {
 	struct rtllib_device *ieee = container_of_dwork_rsl(data,
 				     struct rtllib_device, link_change_wq);
@@ -2876,7 +2849,7 @@ void rtllib_disassociate(struct rtllib_device *ieee)
 	notify_wx_assoc_event(ieee);
 }
 
-void rtllib_associate_retry_wq(void *data)
+static void rtllib_associate_retry_wq(void *data)
 {
 	struct rtllib_device *ieee = container_of_dwork_rsl(data,
 				     struct rtllib_device, associate_retry_wq);
@@ -3194,8 +3167,8 @@ static int rtllib_wpa_enable(struct rtllib_device *ieee, int value)
 }
 
 
-void rtllib_wpa_assoc_frame(struct rtllib_device *ieee, char *wpa_ie,
-			    int wpa_ie_len)
+static void rtllib_wpa_assoc_frame(struct rtllib_device *ieee, char *wpa_ie,
+				   int wpa_ie_len)
 {
 	/* make sure WPA is enabled */
 	rtllib_wpa_enable(ieee, 1);
@@ -3698,7 +3671,7 @@ void rtllib_MlmeDisassociateRequest(struct rtllib_device *rtllib, u8 *asSta,
 	RemovePeerTS(rtllib, asSta);
 
 
-	if (memcpy(rtllib->current_network.bssid, asSta, 6) == 0) {
+	if (memcpy(rtllib->current_network.bssid, asSta, 6) == NULL) {
 		rtllib->state = RTLLIB_NOLINK;
 
 		for (i = 0; i < 6; i++)
diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c
index f038aa930830..44e8006bc1af 100644
--- a/drivers/staging/rtl8192e/rtllib_tx.c
+++ b/drivers/staging/rtl8192e/rtllib_tx.c
@@ -220,8 +220,8 @@ void rtllib_txb_free(struct rtllib_txb *txb)
 	kfree(txb);
 }
 
-struct rtllib_txb *rtllib_alloc_txb(int nr_frags, int txb_size,
-				    int gfp_mask)
+static struct rtllib_txb *rtllib_alloc_txb(int nr_frags, int txb_size,
+					   gfp_t gfp_mask)
 {
 	struct rtllib_txb *txb;
 	int i;
@@ -251,8 +251,7 @@ struct rtllib_txb *rtllib_alloc_txb(int nr_frags, int txb_size,
 	return txb;
 }
 
-int
-rtllib_classify(struct sk_buff *skb, u8 bIsAmsdu)
+static int rtllib_classify(struct sk_buff *skb, u8 bIsAmsdu)
 {
 	struct ethhdr *eth;
 	struct iphdr *ip;
@@ -283,8 +282,9 @@ rtllib_classify(struct sk_buff *skb, u8 bIsAmsdu)
 	}
 }
 
-void rtllib_tx_query_agg_cap(struct rtllib_device *ieee, struct sk_buff *skb,
-			     struct cb_desc *tcb_desc)
+static void rtllib_tx_query_agg_cap(struct rtllib_device *ieee,
+				    struct sk_buff *skb,
+				    struct cb_desc *tcb_desc)
 {
 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 	struct tx_ts_record *pTxTs = NULL;
@@ -358,7 +358,7 @@ void rtllib_tx_query_agg_cap(struct rtllib_device *ieee, struct sk_buff *skb,
 	return;
 }
 
-extern void rtllib_qurey_ShortPreambleMode(struct rtllib_device *ieee,
+static void rtllib_qurey_ShortPreambleMode(struct rtllib_device *ieee,
 					   struct cb_desc *tcb_desc)
 {
 	tcb_desc->bUseShortPreamble = false;
@@ -370,7 +370,7 @@ extern void rtllib_qurey_ShortPreambleMode(struct rtllib_device *ieee,
 	return;
 }
 
-extern void rtllib_query_HTCapShortGI(struct rtllib_device *ieee,
+static void rtllib_query_HTCapShortGI(struct rtllib_device *ieee,
 				      struct cb_desc *tcb_desc)
 {
 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
@@ -391,8 +391,8 @@ extern void rtllib_query_HTCapShortGI(struct rtllib_device *ieee,
 		tcb_desc->bUseShortGI = true;
 }
 
-void rtllib_query_BandwidthMode(struct rtllib_device *ieee,
-				struct cb_desc *tcb_desc)
+static void rtllib_query_BandwidthMode(struct rtllib_device *ieee,
+				       struct cb_desc *tcb_desc)
 {
 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 
@@ -412,8 +412,9 @@ void rtllib_query_BandwidthMode(struct rtllib_device *ieee,
 	return;
 }
 
-void rtllib_query_protectionmode(struct rtllib_device *ieee,
-				 struct cb_desc *tcb_desc, struct sk_buff *skb)
+static void rtllib_query_protectionmode(struct rtllib_device *ieee,
+					struct cb_desc *tcb_desc,
+					struct sk_buff *skb)
 {
 	tcb_desc->bRTSSTBC			= false;
 	tcb_desc->bRTSUseShortGI		= false;
@@ -494,8 +495,8 @@ void rtllib_query_protectionmode(struct rtllib_device *ieee,
 }
 
 
-void rtllib_txrate_selectmode(struct rtllib_device *ieee,
-			      struct cb_desc *tcb_desc)
+static void rtllib_txrate_selectmode(struct rtllib_device *ieee,
+				     struct cb_desc *tcb_desc)
 {
 	if (ieee->bTxDisableRateFallBack)
 		tcb_desc->bTxDisableRateFallBack = true;