From: Milan Broz <mbroz@redhat.com>
Date: Mon, 22 Jun 2009 09:12:11 +0000 (+0100)
Subject: dm: sysfs skip output when device is being destroyed
X-Git-Tag: v2.6.27.26~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9fad9f263a7065be94bf77519346d0d854ff3b92;p=pandora-kernel.git

dm: sysfs skip output when device is being destroyed

commit 4d89b7b4e4726893453d0fb4ddbb5b3e16353994 upstream.

Do not process sysfs attributes when device is being destroyed.

Otherwise code can cause
  BUG_ON(test_bit(DMF_FREEING, &md->flags));
in dm_put() call.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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