From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Fri, 26 Feb 2010 21:37:28 +0000 (+0100)
Subject: [S390] ccw_device_notify: improve return codes
X-Git-Tag: v2.6.34-rc1~268^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76e6fb4b86446e4605379b99ad3dd3f96bb1696f;p=pandora-kernel.git

[S390] ccw_device_notify: improve return codes

Callers of ccw_device_notify could not distinguish between a driver
who has no notifier registered and a driver who doesn't want to keep
a device after a certain event. Change this by adding proper return
codes.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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