From: Stefan Weinhuber <wein@de.ibm.com>
Date: Wed, 5 Mar 2008 11:37:11 +0000 (+0100)
Subject: [S390] dasd: fix reference counting in display method for proc/dasd/devices
X-Git-Tag: v2.6.25-rc5~28^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5e2383991ee985332854b721ba3e5abbbabf0f2;p=pandora-kernel.git

[S390] dasd: fix reference counting in display method for proc/dasd/devices

Using the /proc/dasd/devices interface leaves the reference counter
of alias devices in an inconsistent state. A process that tries to set
such a device offline afterwards will hang.
The dasd_devices_show function returns immediately for alias devices
and this code path was missing a dasd_put_device call.

Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

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