tree 012cf18eb22e33250c74eff31a55eabccf2fbc66
parent 39c52ee8cb6d473dda6c33431339ca2bc984d66d
author Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> 1401191150 +0300
committer John W. Linville <linville@tuxdriver.com> 1401383432 -0400

wil6210: optimize wil_release_reorder_frames

In case of receiving frame with sequence number far greater than current,
wil_release_reorder_frames() will iterate many times over empty buffer.

Optimize this case by checking buffer emptiness and simply update
head_seq_num without iterating.

Suggested-by: Vladimir Shulman <Vladimir.Shulman@Wilocity.com>
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>