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path: root/drivers/base/core.c
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Diffstat (limited to 'drivers/base/core.c')
-rw-r--r--drivers/base/core.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index c8a33df00761..6ab73f5c799a 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -191,6 +191,20 @@ void device_remove_file(struct device * dev, struct device_attribute * attr)
}
}
+static void klist_children_get(struct klist_node *n)
+{
+ struct device *dev = container_of(n, struct device, knode_parent);
+
+ get_device(dev);
+}
+
+static void klist_children_put(struct klist_node *n)
+{
+ struct device *dev = container_of(n, struct device, knode_parent);
+
+ put_device(dev);
+}
+
/**
* device_initialize - init device structure.
@@ -207,7 +221,8 @@ void device_initialize(struct device *dev)
{
kobj_set_kset_s(dev, devices_subsys);
kobject_init(&dev->kobj);
- klist_init(&dev->klist_children);
+ klist_init(&dev->klist_children, klist_children_get,
+ klist_children_put);
INIT_LIST_HEAD(&dev->dma_pools);
init_MUTEX(&dev->sem);
}

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