diff options
| author | Helmut Schaa <helmut.schaa@googlemail.com> | 2011-03-03 21:39:27 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-03-04 22:06:46 +0300 |
| commit | 87443e875c8ad1f0c25b1255bdeb88de934e151e (patch) | |
| tree | 6d63f853ec2973003e36b463981a3eccdf2856c1 | |
| parent | 11f818e0eb50864c7e6f8af38d8f8822f992906a (diff) | |
| download | linux-87443e875c8ad1f0c25b1255bdeb88de934e151e.tar.xz | |
rt2x00: Make use of unlikely during tx status processing
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>
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800pci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 5b53d005559b..046a7b7d1241 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -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. |