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>
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 5b53d00..046a7b7 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -726,7 +726,7 @@
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 @@
break;
}
- if (rt2x00queue_empty(queue)) {
+ if (unlikely(rt2x00queue_empty(queue))) {
/*
* The queue is empty. Stop processing here
* and drop the tx status.