rt2x00: Remove CTS/RTS check in tx()

mac80211 doesn't send RTS or CTS-to-self frames through
the tx() callback functions so we don't need to check it.
Signed-off-by: NIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2x00mac.c

@@ -135,18 +135,16 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	}
 
 	/*
-	 * If CTS/RTS is required. and this frame is not CTS or RTS,
-	 * create and queue that frame first. But make sure we have
-	 * at least enough entries available to send this CTS/RTS
-	 * frame as well as the data frame.
+	 * If CTS/RTS is required. create and queue that frame first.
+	 * Make sure we have at least enough entries available to send
+	 * this CTS/RTS frame as well as the data frame.
 	 * Note that when the driver has set the set_rts_threshold()
 	 * callback function it doesn't need software generation of
-	 * neither RTS or CTS-to-self frames and handles everything
+	 * either RTS or CTS-to-self frame and handles everything
 	 * inside the hardware.
 	 */
 	frame_control = le16_to_cpu(ieee80211hdr->frame_control);
-	if (!is_rts_frame(frame_control) && !is_cts_frame(frame_control) &&
-	    (tx_info->flags & (IEEE80211_TX_CTL_USE_RTS_CTS |
+	if ((tx_info->flags & (IEEE80211_TX_CTL_USE_RTS_CTS |
 			       IEEE80211_TX_CTL_USE_CTS_PROTECT)) &&
 	    !rt2x00dev->ops->hw->set_rts_threshold) {
 		if (rt2x00queue_available(queue) <= 1) {