staging: rtl8723au: Remove unused ieee880211_is_empty_essid()

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_ieee80211.c

@@ -930,23 +930,6 @@ void rtw_macaddr_cfg23a(u8 *mac_addr)
 		  MAC_ARG(mac_addr));
 }
 
-/* Baron adds to avoid FreeBSD warning */
-int ieee80211_is_empty_essid23a(const char *essid, int essid_len)
-{
-	/* Single white space is for Linksys APs */
-	if (essid_len == 1 && essid[0] == ' ')
-		return 1;
-
-	/* Otherwise, if the entire essid is 0, we assume it is hidden */
-	while (essid_len) {
-		essid_len--;
-		if (essid[essid_len] != '\0')
-			return 0;
-	}
-
-	return 1;
-}
-
 static int rtw_get_cipher_info(struct wlan_network *pnetwork)
 {
 	const u8 *pbuf;

drivers/staging/rtl8723au/include/ieee80211.h

@@ -382,9 +382,6 @@ struct ieee80211_txb {
 #define IEEE_G            (1<<2)
 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
 
-/* Baron move to ieee80211.c */
-int ieee80211_is_empty_essid23a(const char *essid, int essid_len);
-
 enum _PUBLIC_ACTION{
 	ACT_PUBLIC_BSSCOEXIST = 0, /*  20/40 BSS Coexistence */
 	ACT_PUBLIC_DSE_ENABLE = 1,