From: NeilBrown <neilb@suse.de>
Date: Thu, 13 Jan 2011 22:14:34 +0000 (+1100)
Subject: md: range check slot number when manually adding a spare.
X-Git-Tag: v2.6.38-rc1~222^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba1b41b6b4e30cb66ae2775faadea05cae3ce61c;p=pandora-kernel.git

md: range check slot number when manually adding a spare.

When adding a spare to an active array, we should check the slot
number, but allow it to be larger than raid_disks if a reshape
is being prepared.

Apply the same test when adding a device to an
array-under-construction.  It already had most of the test in place,
but not quite all.

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