staging: r8188eu: on_action_spct does nothing

One of the entries in OnAction_tbl refers to on_action_spct. This function
reads some information but it performs no action. Remove on_action_spct
and its entry in OnAction_tbl.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220421200805.192083-3-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_mlme_ext.c

@@ -33,7 +33,6 @@ static mlme_handler mlme_sta_tbl[] = {
 };
 
 static struct action_handler OnAction_tbl[] = {
-	{RTW_WLAN_CATEGORY_SPECTRUM_MGMT,	 "ACTION_SPECTRUM_MGMT", on_action_spct},
 	{RTW_WLAN_CATEGORY_QOS, "ACTION_QOS", &OnAction_qos},
 	{RTW_WLAN_CATEGORY_DLS, "ACTION_DLS", &OnAction_dls},
 	{RTW_WLAN_CATEGORY_BACK, "ACTION_BACK", &OnAction_back},
@@ -1476,42 +1475,6 @@ unsigned int OnDisassoc(struct adapter *padapter, struct recv_frame *precv_frame
 	return _SUCCESS;
 }
 
-unsigned int on_action_spct(struct adapter *padapter, struct recv_frame *precv_frame)
-{
-	unsigned int ret = _FAIL;
-	struct sta_info *psta = NULL;
-	struct sta_priv *pstapriv = &padapter->stapriv;
-	u8 *pframe = precv_frame->rx_data;
-	u8 *frame_body = (u8 *)(pframe + sizeof(struct ieee80211_hdr_3addr));
-	u8 category;
-	u8 action;
-
-	psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
-
-	if (!psta)
-		goto exit;
-
-	category = frame_body[0];
-	if (category != RTW_WLAN_CATEGORY_SPECTRUM_MGMT)
-		goto exit;
-
-	action = frame_body[1];
-	switch (action) {
-	case RTW_WLAN_ACTION_SPCT_MSR_REQ:
-	case RTW_WLAN_ACTION_SPCT_MSR_RPRT:
-	case RTW_WLAN_ACTION_SPCT_TPC_REQ:
-	case RTW_WLAN_ACTION_SPCT_TPC_RPRT:
-		break;
-	case RTW_WLAN_ACTION_SPCT_CHL_SWITCH:
-		break;
-	default:
-		break;
-	}
-
-exit:
-	return ret;
-}
-
 unsigned int OnAction_qos(struct adapter *padapter, struct recv_frame *precv_frame)
 {
 	return _SUCCESS;

drivers/staging/r8188eu/include/ieee80211.h

@@ -596,7 +596,6 @@ static inline int is_broadcast_mac_addr(const u8 *addr)
 
 /* Action category code */
 enum rtw_ieee80211_category {
-	RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
 	RTW_WLAN_CATEGORY_QOS = 1,
 	RTW_WLAN_CATEGORY_DLS = 2,
 	RTW_WLAN_CATEGORY_BACK = 3,