Staging: rt2860sta: prevent a panic when disabling when associated
commit
0af49167b1e5ba154e90d2c454bf4624ee47df80 upstream.
This fixes a panic which is triggered when the hardware "disappears" from
beneath the driver, i.e. when wireless is toggled off via Fn-F2 on various
EeePC models.
Ref. bug report http://bugzilla.kernel.org/show_bug.cgi?id=13390
panic http://bugzilla.kernel.org/attachment.cgi?id=21928
Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>