From f162cac83ba474eb71ea2aa7788bd77f1692f4d2 Mon Sep 17 00:00:00 2001
From: Amitkumar Karwar <akarwar@marvell.com>
Date: Fri, 19 Oct 2012 19:19:16 -0700
Subject: [PATCH] mwifiex: abort scan upon interface down

When the interface is down, we will abort scan by calling
cfg80211_scan_done() with abort option. This fixes WARN_ON
triggered by cfg80211 in wdev_cleanup_work().

Driver's internal variables/flags are cleared once we get
response for current scan command. Meanwhile we will block
new scan request from cfg80211.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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