diff options
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index efe03a024a5..6ab73f5c799 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); } @@ -249,7 +264,7 @@ int device_add(struct device *dev) if ((error = bus_add_device(dev))) goto BusError; if (parent) - klist_add_tail(&parent->klist_children, &dev->knode_parent); + klist_add_tail(&dev->knode_parent, &parent->klist_children); /* notify platform of device entry */ if (platform_notify) |