tree 6d0d2ed1a3ea82dda9367eb09b16119cc3747319
parent bf3dac5a6fcf33a80c99e7b7406f8e5af99e2a70
author Felix Fietkau <nbd@openwrt.org> 1384205014 +0100
committer John W. Linville <linville@tuxdriver.com> 1386012299 -0500

ath9k: optimize ath_drain_all_txq

If the software has processed all packets, checking the hardware queue
is unnecessary.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>