From 6e17b0276452912cb13445e5ea552b599984675f Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Sat, 7 Aug 2010 21:41:19 +1000
Subject: [PATCH] md: clean up do_md_stop

There is only one error exit from do_md_stop, so make that more
explicit and discard the 'err' variable.
Also drop the 'revalidate' variable by moving the unlock calls around.

Signed-off-by: NeilBrown <neilb@suse.de>
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