From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Fri, 17 Apr 2015 23:25:46 +0000 (+0200)
Subject: ACPI / scan: Annotate physical_node_lock in acpi_scan_is_offline()
X-Git-Tag: omap-for-v4.1/fixes-rc1~21^2^4~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c533c801d1c9b5c38458a0e7516e0cf50643782;p=pandora-kernel.git

ACPI / scan: Annotate physical_node_lock in acpi_scan_is_offline()

acpi_scan_is_offline() may be called under the physical_node_lock
lock of the given device object's parent, so prevent lockdep from
complaining about that by annotating that instance with
SINGLE_DEPTH_NESTING.

Fixes: caa73ea158de (ACPI / hotplug / driver core: Handle containers in a special way)
Reported-and-tested-by: Xie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: Toshi Kani <toshi.kani@hp.com>
Cc: 3.14+ <stable@vger.kernel.org> # 3.14+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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