libertas: remove priv->ratebitmap

Used to be a write-only-variable :-)
Signed-off-by: NHolger Schurig <holgerschurig@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/assoc.c

@@ -390,10 +390,8 @@ int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
 	cmd.enablehwauto = cpu_to_le16(priv->enablehwauto);
 	cmd.bitmap = lbs_rate_to_fw_bitmap(priv->cur_rate, priv->enablehwauto);
 	ret = lbs_cmd_with_response(priv, CMD_802_11_RATE_ADAPT_RATESET, &cmd);
-	if (!ret && cmd_action == CMD_ACT_GET) {
-		priv->ratebitmap = le16_to_cpu(cmd.bitmap);
+	if (!ret && cmd_action == CMD_ACT_GET)
 		priv->enablehwauto = le16_to_cpu(cmd.enablehwauto);
-	}
 
 	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 	return ret;

drivers/net/wireless/libertas/dev.h

@@ -176,7 +176,6 @@ struct lbs_private {
 	struct assoc_request * pending_assoc_req;
 	struct assoc_request * in_progress_assoc_req;
 	uint16_t enablehwauto;
-	uint16_t ratebitmap;
 
 	/* ADHOC */
 	u16 beacon_period;