From: Mandeep Singh Baines <msb@chromium.org>
Date: Sun, 24 Jun 2012 21:31:09 +0000 (+0200)
Subject: PM / Sleep: Prevent waiting forever on asynchronous suspend after abort
X-Git-Tag: v3.2.22~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2a095a707c3ce005151ef2d31786508286c6d549;p=pandora-kernel.git

PM / Sleep: Prevent waiting forever on asynchronous suspend after abort

commit 1f758b23177d588a71b96ad02990e715949bb82f upstream.

__device_suspend() must always send a completion. Otherwise, parent
devices will wait forever.

Commit 1e2ef05b, "PM: Limit race conditions between runtime PM and
system sleep (v2)", introduced a regression by short-circuiting the
complete_all() for certain error cases.

This patch fixes the bug by always signalling a completion.

Addresses http://crosbug.com/31972

Tested by injecting an abort.

Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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