rt2x00: Use unlikely for unexpected error condition in rt2x00_mac_tx

rt2x00queue_write_tx_frame is unlikely to fail. Tell the compiler.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 7714198..aeee6e9 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -149,7 +149,7 @@ void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
                        goto exit_fail;
        }
 
-       if (rt2x00queue_write_tx_frame(queue, skb, false))
+       if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false)))
                goto exit_fail;
 
        if (rt2x00queue_threshold(queue))