ath9k_htc: Handle device unplug properly
authorSujith <Sujith.Manoharan@atheros.com>
Fri, 23 Apr 2010 04:58:10 +0000 (10:28 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 26 Apr 2010 18:21:16 +0000 (14:21 -0400)
When the USB device has been unplugged, there is
no point in trying to send commands to the target.
Fix this by denying all WMI commands in such a case.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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