staging: rtl8192e: Use standard function in rtllib_process_probe_response()

Replace proprietary is_beacon() with ieee80211_is_beacon() and
proprietary "WLAN_FC_GET_STYPE(frame_ctl) == RTLLIB_STYPE_PROBE_RESP"
with standard function to increase readability.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/ad24a52c045d6638103f4263b811c87d18cb3e97.1694546300.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtllib_rx.c

@@ -2448,11 +2448,6 @@ static inline void update_network(struct rtllib_device *ieee,
 	dst->BssCcxVerNumber = src->BssCcxVerNumber;
 }
 
-static inline int is_beacon(u16 fc)
-{
-	return (WLAN_FC_GET_STYPE(fc) == RTLLIB_STYPE_BEACON);
-}
-
 static int IsPassiveChannel(struct rtllib_device *rtllib, u8 channel)
 {
 	if (channel > MAX_CHANNEL_NUMBER) {
@@ -2491,7 +2486,7 @@ static inline void rtllib_process_probe_response(
 	short renew;
 	struct rtllib_network *network = kzalloc(sizeof(struct rtllib_network),
 						 GFP_ATOMIC);
-	u16 frame_ctl = le16_to_cpu(beacon->header.frame_ctl);
+	__le16 frame_ctl = beacon->header.frame_ctl;
 
 	if (!network)
 		return;
@@ -2521,14 +2516,14 @@ static inline void rtllib_process_probe_response(
 		netdev_dbg(ieee->dev, "Dropped '%s' ( %pM) via %s.\n",
 			   escape_essid(info_element->data, info_element->len),
 			   beacon->header.addr3,
-			   is_beacon(frame_ctl) ? "BEACON" : "PROBE RESPONSE");
+			   ieee80211_is_beacon(frame_ctl) ? "BEACON" : "PROBE RESPONSE");
 		goto free_network;
 	}
 
 	if (!rtllib_legal_channel(ieee, network->channel))
 		goto free_network;
 
-	if (WLAN_FC_GET_STYPE(frame_ctl) == RTLLIB_STYPE_PROBE_RESP) {
+	if (ieee80211_is_probe_resp(frame_ctl)) {
 		if (IsPassiveChannel(ieee, network->channel)) {
 			netdev_info(ieee->dev,
 				    "GetScanInfo(): For Global Domain, filter probe response at channel(%d).\n",
@@ -2561,7 +2556,7 @@ static inline void rtllib_process_probe_response(
 			else
 				ieee->current_network.buseprotection = false;
 		}
-		if (is_beacon(frame_ctl)) {
+		if (ieee80211_is_beacon(frame_ctl)) {
 			if (ieee->link_state >= MAC80211_LINKED)
 				ieee->link_detect_info.NumRecvBcnInPeriod++;
 		}
@@ -2597,7 +2592,7 @@ static inline void rtllib_process_probe_response(
 		netdev_dbg(ieee->dev, "Adding '%s' ( %pM) via %s.\n",
 			   escape_essid(network->ssid, network->ssid_len),
 			   network->bssid,
-			   is_beacon(frame_ctl) ? "BEACON" : "PROBE RESPONSE");
+			   ieee80211_is_beacon(frame_ctl) ? "BEACON" : "PROBE RESPONSE");
 
 		memcpy(target, network, sizeof(*target));
 		list_add_tail(&target->list, &ieee->network_list);
@@ -2607,7 +2602,7 @@ static inline void rtllib_process_probe_response(
 		netdev_dbg(ieee->dev, "Updating '%s' ( %pM) via %s.\n",
 			   escape_essid(target->ssid, target->ssid_len),
 			   target->bssid,
-			   is_beacon(frame_ctl) ? "BEACON" : "PROBE RESPONSE");
+			   ieee80211_is_beacon(frame_ctl) ? "BEACON" : "PROBE RESPONSE");
 
 		/* we have an entry and we are going to update it. But this
 		 *  entry may be already expired. In this case we do the same
@@ -2628,7 +2623,7 @@ static inline void rtllib_process_probe_response(
 	}
 
 	spin_unlock_irqrestore(&ieee->lock, flags);
-	if (is_beacon(frame_ctl) &&
+	if (ieee80211_is_beacon(frame_ctl) &&
 	    is_same_network(&ieee->current_network, network,
 	    (network->ssid_len ? 1 : 0)) &&
 	    (ieee->link_state == MAC80211_LINKED)) {