driver core: move knode_driver into private structure

Nothing outside of the driver core should ever touch knode_driver, so
move it out of the public eye.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 8 insertions, 5 deletions

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 0dfd08c15921..f17c3266a0e0 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -30,7 +30,7 @@
 
 static void driver_bound(struct device *dev)
 {
-        if (klist_node_attached(&dev->knode_driver)) {
+        if (klist_node_attached(&dev->p->knode_driver)) {
                 printk(KERN_WARNING "%s: device %s already bound\n",
                         __func__, kobject_name(&dev->kobj));
                 return;
@@ -43,7 +43,7 @@ static void driver_bound(struct device *dev)
                 blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
                                              BUS_NOTIFY_BOUND_DRIVER, dev);
 
-        klist_add_tail(&dev->knode_driver, &dev->driver->p->klist_devices);
+        klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
 }
 
 static int driver_sysfs_add(struct device *dev)
@@ -318,7 +318,7 @@ static void __device_release_driver(struct device *dev)
                         drv->remove(dev);
                 devres_release_all(dev);
                 dev->driver = NULL;
-                klist_remove(&dev->knode_driver);
+                klist_remove(&dev->p->knode_driver);
         }
 }
 
@@ -348,6 +348,7 @@ EXPORT_SYMBOL_GPL(device_release_driver);
  */
 void driver_detach(struct device_driver *drv)
 {
+        struct device_private *dev_prv;
         struct device *dev;
 
         for (;;) {
@@ -356,8 +357,10 @@ void driver_detach(struct device_driver *drv)
                         spin_unlock(&drv->p->klist_devices.k_lock);
                         break;
                 }
-                dev = list_entry(drv->p->klist_devices.k_list.prev,
-                                struct device, knode_driver.n_node);
+                dev_prv = list_entry(drv->p->klist_devices.k_list.prev,
+                                     struct device_private,
+                                     knode_driver.n_node);
+                dev = dev_prv->device;
                 get_device(dev);
                 spin_unlock(&drv->p->klist_devices.k_lock);