ACPI / scan: Annotate physical_node_lock in acpi_scan_is_offline()
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>
Fri, 17 Apr 2015 23:25:46 +0000 (01:25 +0200)
committerSasha Levin <sasha.levin@oracle.com>
Sun, 17 May 2015 23:12:16 +0000 (19:12 -0400)
commitfc69ac41da31ca159027b524592ede98c7dfc7e5
tree7fd3ec634bb47714b008fae89ddc4977df1e67b2
parent6fd1b9912fb3d74d928cbc8157800cf93e594724
ACPI / scan: Annotate physical_node_lock in acpi_scan_is_offline()

[ Upstream commit 4c533c801d1c9b5c38458a0e7516e0cf50643782 ]

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>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
drivers/acpi/scan.c