Commit 728f0893 authored Sep 20, 2008 by Arjan van de Ven Committed by Greg Kroah-Hartman Oct 16, 2008

debug: use dev_WARN() rather than WARN_ON() in device_pm_add()



device_pm_add() has a WARN_ON that is showing relatively high on
kerneloops.org, but unfortunately the WARN_ON is less than useful
in that it doesn't print any information about what device is causing
the issue.

This patch fixes this by turning the WARN_ON() into the newly
introduces dev_WARN() which will print information about the
device in question.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent e6139662

drivers/base/power/main.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -83,7 +83,7 @@ void device_pm_add(struct device *dev)
		* transition is in progress in order to avoid leaving them
		* unhandled down the road
		*/
		WARN_ON(true);
		dev_WARN(dev, "Parentless device registered during a PM transaction\n");
		}

		list_add_tail(&dev->power.entry, &dpm_list);