driver core: location: Check for allocations failure

Check whether the kzalloc() succeeds and return false if it fails.

Fixes: 6423d295 ("driver core: Add sysfs support for physical location of a device")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YnOn28OFBHHd5bQb@kiliSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/physical_location.c

@@ -24,6 +24,8 @@ bool dev_add_physical_location(struct device *dev)
 
 	dev->physical_location =
 		kzalloc(sizeof(*dev->physical_location), GFP_KERNEL);
+	if (!dev->physical_location)
+		return false;
 	dev->physical_location->panel = pld->panel;
 	dev->physical_location->vertical_position = pld->vertical_position;
 	dev->physical_location->horizontal_position = pld->horizontal_position;