From 01376f4495840f3daf6d73679242b5964fc9603b Mon Sep 17 00:00:00 2001
From: Horst Hummel <horst.hummel@de.ibm.com>
Date: Mon, 4 Dec 2006 15:39:50 +0100
Subject: [PATCH] [S390] handle incorrect values when writing to dasd sysfs
 attributes.

When writing to dasd attributes (e.g. readonly), all values besides '1'
are handled like '0'.
Other sysfs-attributes like 'online' are checking for '1' and for '0'
and do not accept other values. Therefore enhanced checking and error
handling in dasd_devmap attribute store functions.

Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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