[PATCH v2 06/10] driver core: Avoid endless recursion if device has more than one link
From: m.szyprowski@samsung.com (Marek Szyprowski)
Date: 2016-06-17 06:28:28
Also in:
linux-iommu, linux-pm, linux-samsung-soc, lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
This patch fixes endless recursion, which happends when device has more than one link. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- 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