return _SUCCESS;
 }
 
-static s32 rtw_action_public_decache(struct recv_frame *recv_frame, s32 token)
+static int rtw_action_public_decache(struct recv_frame *recv_frame, s32 token)
 {
        struct rtw_adapter *adapter = recv_frame->adapter;
        struct mlme_ext_priv *mlmeext = &adapter->mlmeextpriv;
        return _SUCCESS;
 }
 
-static unsigned int on_action_public23a_p2p(struct recv_frame *precv_frame)
+static int on_action_public23a_p2p(struct recv_frame *precv_frame)
 {
        struct sk_buff *skb = precv_frame->pkt;
        u8 *pframe = skb->data;
        return _SUCCESS;
 }
 
-static unsigned int on_action_public23a_vendor(struct recv_frame *precv_frame)
+static int on_action_public23a_vendor(struct recv_frame *precv_frame)
 {
        unsigned int ret = _FAIL;
        struct sk_buff *skb = precv_frame->pkt;
 static int on_action_public23a(struct rtw_adapter *padapter,
                               struct recv_frame *precv_frame)
 {
-       unsigned int ret = _FAIL;
+       int ret = _FAIL;
        struct sk_buff *skb = precv_frame->pkt;
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
        u8 *pframe = skb->data;
        rtl8723au_mgnt_xmit(padapter, pmgntframe);
 }
 
-s32 dump_mgntframe23a_and_wait(struct rtw_adapter *padapter,
+int dump_mgntframe23a_and_wait(struct rtw_adapter *padapter,
                               struct xmit_frame *pmgntframe, int timeout_ms)
 {
-       s32 ret = _FAIL;
+       int ret = _FAIL;
        unsigned long irqL;
        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
        struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf;
        return ret;
 }
 
-s32 dump_mgntframe23a_and_wait_ack23a(struct rtw_adapter *padapter,
+int dump_mgntframe23a_and_wait_ack23a(struct rtw_adapter *padapter,
                                      struct xmit_frame *pmgntframe)
 {
-       s32 ret = _FAIL;
+       int ret = _FAIL;
        u32 timeout_ms = 500;/*   500ms */
        struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 
        if (padapter->bSurpriseRemoved == true ||
            padapter->bDriverStopped == true)
-               return -1;
+               return _FAIL;
 
        mutex_lock(&pxmitpriv->ack_tx_mutex);
        pxmitpriv->ack_tx = true;
        dump_mgntframe23a(padapter, pmgntframe);
 }
 
-unsigned int send_delba23a(struct rtw_adapter *padapter, u8 initiator, u8 *addr)
+int send_delba23a(struct rtw_adapter *padapter, u8 initiator, u8 *addr)
 {
        struct sta_priv *pstapriv = &padapter->stapriv;
        struct sta_info *psta = NULL;
        return _SUCCESS;
 }
 
-unsigned int send_beacon23a(struct rtw_adapter *padapter)
+int send_beacon23a(struct rtw_adapter *padapter)
 {
        bool    bxmitok;
        int     issue = 0;
 }
 
 /* collect bss info from Beacon and Probe request/response frames. */
-u8 collect_bss_info23a(struct rtw_adapter *padapter,
-                      struct recv_frame *precv_frame,
-                      struct wlan_bssid_ex *bssid)
+int collect_bss_info23a(struct rtw_adapter *padapter,
+                       struct recv_frame *precv_frame,
+                       struct wlan_bssid_ex *bssid)
 {
        int i;
        const u8 *p;
        set_link_timer(pmlmeext, REASSOC_TO);
 }
 
-unsigned int receive_disconnect23a(struct rtw_adapter *padapter, unsigned char *MacAddr, unsigned short reason)
+int receive_disconnect23a(struct rtw_adapter *padapter,
+                         unsigned char *MacAddr, unsigned short reason)
 {
        struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 
 bool IsLegal5GChannel(struct rtw_adapter *Adapter, u8 channel);
 
 void site_survey23a(struct rtw_adapter *padapter);
-u8 collect_bss_info23a(struct rtw_adapter *padapter,
-                   struct recv_frame *precv_frame,
-                   struct wlan_bssid_ex *bssid);
+int collect_bss_info23a(struct rtw_adapter *padapter,
+                       struct recv_frame *precv_frame,
+                       struct wlan_bssid_ex *bssid);
 void update_network23a(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
                    struct rtw_adapter *padapter, bool update_ie);
 
 void Update_RA_Entry23a(struct rtw_adapter *padapter, struct sta_info *psta);
 void set_sta_rate23a(struct rtw_adapter *padapter, struct sta_info *psta);
 
-unsigned int receive_disconnect23a(struct rtw_adapter *padapter,
-                               unsigned char *MacAddr, unsigned short reason);
+int receive_disconnect23a(struct rtw_adapter *padapter,
+                         unsigned char *MacAddr, unsigned short reason);
 
 unsigned char get_highest_rate_idx23a(u32 mask);
 int support_short_GI23a(struct rtw_adapter *padapter,
 void issue_action_BA23a(struct rtw_adapter *padapter,
                        const unsigned char *raddr,
                        unsigned char action, unsigned short status);
-unsigned int send_delba23a(struct rtw_adapter *padapter, u8 initiator, u8 *addr);
-unsigned int send_beacon23a(struct rtw_adapter *padapter);
+int send_delba23a(struct rtw_adapter *padapter, u8 initiator, u8 *addr);
+int send_beacon23a(struct rtw_adapter *padapter);
 
 void start_clnt_assoc23a(struct rtw_adapter *padapter);
 void start_clnt_auth23a(struct rtw_adapter *padapter);