rt2x00: Add unlikely macro to special case tx status handling
This special case shouldn't happen very often. Only if a frame that
is not intended to be aggregated ends up in an AMPDU _and_ was intended
to be sent at a different MCS rate as the aggregate. Hence, using
unlikely is justified.
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/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 76ced6d..ad90c86 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -681,7 +681,7 @@
* confuse the rate control algortihm by providing clearly wrong
* data.
*/
- if (aggr == 1 && ampdu == 0 && real_mcs != mcs) {
+ if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
skbdesc->tx_rate_idx = real_mcs;
mcs = real_mcs;
}