[PATCH v2 06/10] driver core: Avoid endless recursion if device has more than one link

From: Marek Szyprowski
Date: Fri Jun 17 2016 - 02:28:32 EST


This patch fixes endless recursion, which happends when device has
more than one link.

Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
drivers/base/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 215cd44de761..4e778539b750 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -57,7 +57,8 @@ static int device_reorder_to_tail(struct device *dev, void *not_used)
device_pm_move_last(dev);
device_for_each_child(dev, NULL, device_reorder_to_tail);
list_for_each_entry(link, &dev->consumer_links, c_node)
- device_reorder_to_tail(link->consumer, NULL);
+ if (link->consumer != dev)
+ device_reorder_to_tail(link->consumer, NULL);

return 0;
}
--
1.9.1