From: Amitkumar Karwar <akarwar@marvell.com>
Date: Thu, 1 Jan 2015 08:13:39 +0000 (-0800)
Subject: Bluetooth: btmrvl: fix race issue while stopping main thread
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~134^2~184^2~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b324fa6915bf4ad7d28e58a5a004f16e470e58d;p=pandora-kernel.git

Bluetooth: btmrvl: fix race issue while stopping main thread

btmrvl_remove_card() calls kthread_stop() to stop the main thread,
but kthread_should_stop() is checked when all the activities are done
in the main thread before sleeping.
We will have kthread_should_stop() check as soon as main thread is
woken up. This fixes a crash issue caused due to an invalid memory
access while unnecessarily processing interrupts after card removal.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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