From 5e8c3d3e41b0bf241e830a1ee0752405adecc050 Mon Sep 17 00:00:00 2001
From: Malcolm Priestley <tvboxspy@gmail.com>
Date: Mon, 23 Sep 2013 20:30:42 +0100
Subject: [PATCH] staging: vt6656: [BUG] iwctl_siwencodeext return if device
 not open

Don't allow entry to iwctl_siwencodeext if device not open.

This fixes a race condition where wpa supplicant/network manager
enters the function when the device is already closed.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: stable@vger.kernel.org # 3.8+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed