From bf52fa4a26567bfbf5b1d30f84cf0226e61d26cd Mon Sep 17 00:00:00 2001
From: Doug Thompson <dougthompson@xmission.com>
Date: Thu, 19 Jul 2007 01:50:30 -0700
Subject: [PATCH] drivers/edac: fix workq reset deadlock

Fix mutex locking deadlock on the device controller linked list.  Was calling
a lock then a function that could call the same lock.  Moved the cancel workq
function to outside the lock

Added some short circuit logic in the workq code

Added comments of description

Code tidying

Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Cc: Greg KH <greg@kroah.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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