From cf42c4e5d3019d801ec6d033b63de5446a53af5c Mon Sep 17 00:00:00 2001
From: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Date: Tue, 27 May 2014 14:45:50 +0300
Subject: [PATCH] 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>
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Reading git-format-patch failed