From: Dan Williams <dan.j.williams@intel.com>
Date: Fri, 18 Nov 2011 01:59:47 +0000 (-0800)
Subject: [SCSI] libsas: fix domain_device leak
X-Git-Tag: v3.4-rc1~145^2~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=735f7d2fedf57380214221be7bed7f62d729e262;p=pandora-kernel.git

[SCSI] libsas: fix domain_device leak

Arrange for the deallocation of a struct domain_device object when it no
longer has:
1/ any children
2/ references by any scsi_targets
3/ references by a lldd

The comment about domain_device lifetime in
Documentation/scsi/libsas.txt is stale as it appears mainline never had
a version of a struct domain_device that was registered as a kobject.
We now manage domain_device reference counts on behalf of external
agents.

Reviewed-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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