staging: r8188eu: remove ieee80211_get_hdrlen()

Function ieee80211_get_hdrlen() is not used, remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-35-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index 3f0c1a7..956b9ba 100644 (file)
--- a/drivers/staging/r8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c
@@ -1214,33 +1214,6 @@ int ieee80211_is_empty_essid(const char *essid, int essid_len)
        return 1;
 }
 
-int ieee80211_get_hdrlen(u16 fc)
-{
-       int hdrlen = 24;
-
-       switch (WLAN_FC_GET_TYPE(fc)) {
-       case RTW_IEEE80211_FTYPE_DATA:
-               if (fc & RTW_IEEE80211_STYPE_QOS_DATA)
-                       hdrlen += 2;
-               if ((fc & RTW_IEEE80211_FCTL_FROMDS) && (fc & RTW_IEEE80211_FCTL_TODS))
-                       hdrlen += 6; /* Addr4 */
-               break;
-       case RTW_IEEE80211_FTYPE_CTL:
-               switch (WLAN_FC_GET_STYPE(fc)) {
-               case RTW_IEEE80211_STYPE_CTS:
-               case RTW_IEEE80211_STYPE_ACK:
-                       hdrlen = 10;
-                       break;
-               default:
-                       hdrlen = 16;
-                       break;
-               }
-               break;
-       }
-
-       return hdrlen;
-}
-
 static int rtw_get_cipher_info(struct wlan_network *pnetwork)
 {
        u32 wpa_ielen;

diff --git a/drivers/staging/r8188eu/include/ieee80211.h b/drivers/staging/r8188eu/include/ieee80211.h
index 8df8348..7e9520c 100644 (file)
--- a/drivers/staging/r8188eu/include/ieee80211.h
+++ b/drivers/staging/r8188eu/include/ieee80211.h
@@ -890,7 +890,6 @@ struct tx_pending {
 
 /* Baron move to ieee80211.c */
 int ieee80211_is_empty_essid(const char *essid, int essid_len);
-int ieee80211_get_hdrlen(u16 fc);
 
 /* Action category code */
 enum rtw_ieee80211_category {