From: NeilBrown <neilb@suse.de>
Date: Wed, 1 Jul 2009 01:14:04 +0000 (+1000)
Subject: md: avoid dereferencing NULL pointer when accessing suspend_* sysfs attributes.
X-Git-Tag: v2.6.27.29~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ec8973e2473b358976f838020e4b98cbb80181e;p=pandora-kernel.git

md: avoid dereferencing NULL pointer when accessing suspend_* sysfs attributes.

commit b8d966efd9a46a9a35beac50cbff6e30565125ef upstream.

If we try to modify one of the md/ sysfs files
  suspend_lo or suspend_hi
when the array is not active, we dereference a NULL.
Protect against that.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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