From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 8 Jul 2011 18:53:36 +0000 (+0200)
Subject: PM: Improve error code of pm_notifier_call_chain()
X-Git-Tag: v3.1-rc1~304^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0c077a8b7f9dce590c760a7b2f3c417dffa52d1;p=pandora-kernel.git

PM: Improve error code of pm_notifier_call_chain()

This enables pm_notifier_call_chain() to get the actual error code
in the callback rather than always assume -EINVAL by converting all
PM notifier calls to return encapsulate error code with
notifier_from_errno().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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