From: Benjamin Gaignard Date: Mon, 16 Jul 2018 11:37:44 +0000 (+0200) Subject: base: core: Remove WARN_ON from link dependencies check X-Git-Tag: v5.15~8189^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e16f4f3e0b7daecd48d4f944ab4147c1a6cb16a8;p=platform%2Fkernel%2Flinux-starfive.git base: core: Remove WARN_ON from link dependencies check In some cases the link between between customer and supplier already exist, for example when a device use its parent as a supplier. Do not warn about already existing dependencies because device_link_add() takes care of this case. Link: http://lkml.kernel.org/r/20180709111753eucas1p1f32e66fb2f7ea3216097cd72a132355d~-rzycA5Rg0378203782eucas1p1C@eucas1p1.samsung.com Reported-by: Marek Szyprowski Reviewed-by: Mark Brown Signed-off-by: Benjamin Gaignard Reviewed-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/base/core.c b/drivers/base/core.c index 5411af447418..2300d834d11f 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -105,7 +105,7 @@ static int device_is_dependent(struct device *dev, void *target) struct device_link *link; int ret; - if (WARN_ON(dev == target)) + if (dev == target) return 1; ret = device_for_each_child(dev, target, device_is_dependent); @@ -113,7 +113,7 @@ static int device_is_dependent(struct device *dev, void *target) return ret; list_for_each_entry(link, &dev->links.consumers, s_node) { - if (WARN_ON(link->consumer == target)) + if (link->consumer == target) return 1; ret = device_is_dependent(link->consumer, target);