Commit bab636b9 authored Dec 03, 2009 by Rafael J. Wysocki

PM / Runtime: Fix lockdep warning in __pm_runtime_set_status()



Lockdep complains about taking the parent lock in
__pm_runtime_set_status(), so mark it as nested.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable@kernel.org

parent 66d0ae4d

drivers/base/power/runtime.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -777,7 +777,7 @@ int __pm_runtime_set_status(struct device *dev, unsigned int status)
		}

		if (parent) {
		spin_lock(&parent->power.lock);
		spin_lock_nested(&parent->power.lock, SINGLE_DEPTH_NESTING);

		/*
		* It is invalid to put an active child under a parent that is