Staging: rtl8192su/ieee80211: remove unused ieee80211_wx_get_encode_ext()

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8192su/ieee80211/ieee80211.h

@@ -2220,9 +2220,6 @@ extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
 extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
 				   struct iw_request_info *info,
 				   union iwreq_data *wrqu, char *key);
-extern int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
-                            struct iw_request_info *info,
-                            union iwreq_data* wrqu, char *extra);
 extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
                             struct iw_request_info *info,
                             union iwreq_data* wrqu, char *extra);

drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c

@@ -675,61 +675,6 @@ done:
         return ret;
 }
 
-int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
-			       struct iw_request_info *info,
-			       union iwreq_data *wrqu, char *extra)
-{
-	struct iw_point *encoding = &wrqu->encoding;
-	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
-	struct ieee80211_crypt_data *crypt;
-	int idx, max_key_len;
-
-	max_key_len = encoding->length - sizeof(*ext);
-	if (max_key_len < 0)
-		return -EINVAL;
-
-	idx = encoding->flags & IW_ENCODE_INDEX;
-	if (idx) {
-		if (idx < 1 || idx > WEP_KEYS)
-			return -EINVAL;
-		idx--;
-	} else
-		idx = ieee->tx_keyidx;
-
-	if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
-	    ext->alg != IW_ENCODE_ALG_WEP)
-		if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
-			return -EINVAL;
-
-	crypt = ieee->crypt[idx];
-	encoding->flags = idx + 1;
-	memset(ext, 0, sizeof(*ext));
-
-	if (crypt == NULL || crypt->ops == NULL ) {
-		ext->alg = IW_ENCODE_ALG_NONE;
-		ext->key_len = 0;
-		encoding->flags |= IW_ENCODE_DISABLED;
-	} else {
-		if (strcmp(crypt->ops->name, "WEP") == 0 )
-			ext->alg = IW_ENCODE_ALG_WEP;
-		else if (strcmp(crypt->ops->name, "TKIP"))
-			ext->alg = IW_ENCODE_ALG_TKIP;
-		else if (strcmp(crypt->ops->name, "CCMP"))
-			ext->alg = IW_ENCODE_ALG_CCMP;
-		else
-			return -EINVAL;
-		ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv);
-		encoding->flags |= IW_ENCODE_ENABLED;
-		if (ext->key_len &&
-		    (ext->alg == IW_ENCODE_ALG_TKIP ||
-		     ext->alg == IW_ENCODE_ALG_CCMP))
-			ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
-
-	}
-
-	return 0;
-}
-
 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
                                struct iw_request_info *info,
                                union iwreq_data *wrqu, char *extra)