From c70762f9acad654002704f1e53436a0ba3356c31 Mon Sep 17 00:00:00 2001
From: Alban Browaeys <prahal@yahoo.com>
Date: Fri, 4 Dec 2009 23:46:57 +0100
Subject: [PATCH] rt2x00 : bail out of regbusy_read if device is removed.

platform rfkill is async thus we may try to read while the device is
already off.

Signed-off-by: Alban Browaeys <prahal@yahoo.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
Reading git-format-patch failed