[PATCH] base: core: Remove WARN_ON from link dependencies check

[Benjamin Gaignard]

In some cases the link between between customer and supplier
already exist. Do not warn about already existing dependencies
because device_link_add() take care of this case.

Reported-by: Marek Szyprowski <m.szyprow...@samsung.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaign...@st.com>
---
 drivers/base/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index df3e1a44707a..fcdc17f0f349 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);
-- 
2.15.0