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rt2x00: Make use of unlikely during tx status processing

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These conditions are unlikely to happen, 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>
This commit is contained in:
Helmut Schaa 2011-03-03 19:39:27 +01:00 committed by John W. Linville
parent 11f818e0eb
commit 87443e875c
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/rt2x00/rt2800pci.c
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@ -726,7 +726,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
if (qid >= QID_RX) {
if (unlikely(qid >= QID_RX)) {
/*
* Unknown queue, this shouldn't happen. Just drop
* this tx status.
@ -747,7 +747,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
break;
}
if (rt2x00queue_empty(queue)) {
if (unlikely(rt2x00queue_empty(queue))) {
/*
* The queue is empty. Stop processing here
* and drop the tx status.