void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_packets)
 {
-       static unsigned long start_time = 0;
-       static u32 xmit_cnt = 0;
+       static unsigned long start_time;
+       static u32 xmit_cnt;
        u8 bLeaveLPS = false;
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 
 
                        if (*psta == NULL) {
 
                                /* for AP multicast issue , modify by yiwei */
-                               static unsigned long send_issue_deauth_time = 0;
+                               static unsigned long send_issue_deauth_time;
 
                                /* DBG_871X("After send deauth , %u ms has elapsed.\n", jiffies_to_msecs(jiffies - send_issue_deauth_time)); */
 
 
                dest[i] = src[i] ^ (unsigned char)arcfour_byte(parc4ctx);
 }
 
-static sint bcrc32initialized = 0;
+static sint bcrc32initialized;
 static u32 crc32_table[256];
 
 
                stainfo = rtw_get_stainfo(&padapter->stapriv, &prxattrib->ta[0]);
                if (stainfo != NULL) {
                        if (IS_MCAST(prxattrib->ra)) {
-                               static unsigned long start = 0;
-                               static u32 no_gkey_bc_cnt = 0;
-                               static u32 no_gkey_mc_cnt = 0;
+                               static unsigned long start;
+                               static u32 no_gkey_bc_cnt;
+                               static u32 no_gkey_mc_cnt;
 
                                if (psecuritypriv->binstallGrpkey == false) {
                                        res = _FAIL;
                        RT_TRACE(_module_rtl871x_security_c_, _drv_err_, ("rtw_aes_decrypt: stainfo!= NULL!!!\n"));
 
                        if (IS_MCAST(prxattrib->ra)) {
-                               static unsigned long start = 0;
-                               static u32 no_gkey_bc_cnt = 0;
-                               static u32 no_gkey_mc_cnt = 0;
+                               static unsigned long start;
+                               static u32 no_gkey_bc_cnt;
+                               static u32 no_gkey_mc_cnt;
 
                                /* DBG_871X("rx bc/mc packets, to perform sw rtw_aes_decrypt\n"); */
                                /* prwskey = psecuritypriv->dot118021XGrpKey[psecuritypriv->dot118021XGrpKeyid].skey; */
 
  */
 s32 rtw_xmit(struct adapter *padapter, _pkt **ppkt)
 {
-       static unsigned long start = 0;
-       static u32 drop_cnt = 0;
+       static unsigned long start;
+       static u32 drop_cnt;
 
        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
        struct xmit_frame *pxmitframe = NULL;