case WPARxGtk:
                if (pstrHostIFkeyAttr->action & ADDKEY_AP) {
-                       pu8keybuf = kmalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
+                       pu8keybuf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
                        if (pu8keybuf == NULL) {
                                PRINT_ER("No buffer to send RxGTK Key\n");
                                ret = -1;
                                goto _WPARxGtk_end_case_;
                        }
 
-                       memset(pu8keybuf, 0, RX_MIC_KEY_MSG_LEN);
-
                        if (pstrHostIFkeyAttr->attr.wpa.seq != NULL)
                                memcpy(pu8keybuf + 6, pstrHostIFkeyAttr->attr.wpa.seq, 8);
 
                if (pstrHostIFkeyAttr->action & ADDKEY) {
                        PRINT_D(HOSTINF_DBG, "Handling group key(Rx) function\n");
 
-                       pu8keybuf = kmalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
+                       pu8keybuf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
                        if (pu8keybuf == NULL) {
                                PRINT_ER("No buffer to send RxGTK Key\n");
                                ret = -1;
                                goto _WPARxGtk_end_case_;
                        }
 
-                       memset(pu8keybuf, 0, RX_MIC_KEY_MSG_LEN);
-
                        if (hif_drv->enuHostIFstate == HOST_IF_CONNECTED)
                                memcpy(pu8keybuf, hif_drv->au8AssociatedBSSID, ETH_ALEN);
                        else
        pu8IEs = ptstrNetworkInfo->pu8IEs;
        u16IEsLen = ptstrNetworkInfo->u16IEsLen;
 
-       pNewJoinBssParam = kmalloc(sizeof(struct join_bss_param), GFP_KERNEL);
+       pNewJoinBssParam = kzalloc(sizeof(struct join_bss_param), GFP_KERNEL);
        if (pNewJoinBssParam != NULL) {
-               memset(pNewJoinBssParam, 0, sizeof(struct join_bss_param));
                pNewJoinBssParam->dtim_period = ptstrNetworkInfo->u8DtimPeriod;
                pNewJoinBssParam->beacon_period = ptstrNetworkInfo->u16BeaconPeriod;
                pNewJoinBssParam->cap_info = ptstrNetworkInfo->u16CapInfo;