From: Thomas Pugliese <thomas.pugliese@gmail.com>
Date: Fri, 28 Feb 2014 20:31:56 +0000 (-0600)
Subject: usb: wusbcore: fix stranded URB after HWA unplug
X-Git-Tag: v3.15-rc1~137^2~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=acfadcea2adaa52048c6b3c8a3c75105a5540707;p=pandora-kernel.git

usb: wusbcore: fix stranded URB after HWA unplug

This patch adds error checking to the abort request callback to forcibly
clean up the dequeued transfers if the abort request failed.  The
wa_complete_remaining_xfer_segs was modified so that it could be used in
this situation as well.  This fixes a stranded URB/PNP hang when the HWA
is unplugged while playing audio to a wireless audio device.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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