staging: r8188eu: use hdr->frame_control instead of fc

We can remove the fc variable in update_recvframe_phyinfo_88e and use
hdr->frame_control instead.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20221031205412.124871-3-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/rtl8188e_rxdesc.c

@@ -114,13 +114,12 @@ void update_recvframe_phyinfo_88e(struct recv_frame *precvframe, struct phy_stat
 	struct hal_data_8188e *pHalData = &padapter->haldata;
 	struct phy_info *pPHYInfo  = &pattrib->phy_info;
 	u8 *wlanhdr = precvframe->rx_data;
-	__le16 fc = *(__le16 *)wlanhdr;
 	struct odm_per_pkt_info	pkt_info;
 	u8 *sa = NULL;
 	struct sta_priv *pstapriv;
 	struct sta_info *psta;
 
-	pkt_info.bPacketMatchBSSID = ((!ieee80211_is_ctl(fc)) &&
+	pkt_info.bPacketMatchBSSID = ((!ieee80211_is_ctl(hdr->frame_control)) &&
 		!pattrib->icv_err && !pattrib->crc_err &&
 		!memcmp(get_hdr_bssid(wlanhdr),
 		 get_bssid(&padapter->mlmepriv), ETH_ALEN));
@@ -129,7 +128,8 @@ void update_recvframe_phyinfo_88e(struct recv_frame *precvframe, struct phy_stat
 				 ether_addr_equal(ieee80211_get_DA(hdr),
 						  myid(&padapter->eeprompriv));
 
-	pkt_info.bPacketBeacon = pkt_info.bPacketMatchBSSID && ieee80211_is_beacon(fc);
+	pkt_info.bPacketBeacon = pkt_info.bPacketMatchBSSID &&
+				 ieee80211_is_beacon(hdr->frame_control);
 	if (pkt_info.bPacketBeacon) {
 		if (check_fwstate(&padapter->mlmepriv, WIFI_STATION_STATE))
 			sa = padapter->mlmepriv.cur_network.network.MacAddress;