From 544204733a20200951c271f81c74930ba5424638 Mon Sep 17 00:00:00 2001
From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Tue, 17 Jan 2012 09:22:49 +0100
Subject: [PATCH] mac80211: Fix possible race between sta_unblock and network
 softirq

All other code paths in sta_unblock synchronize with the network
softirq by using local_bh_disable/enable. Do the same around
ieee80211_sta_ps_deliver_wakeup.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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