driver core: create a private portion of struct device

[safe/jmp/linux-2.6] / drivers / base / core.c

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 14aa2b6..6657787 100644 (file)
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -109,6 +109,7 @@ static struct sysfs_ops dev_sysfs_ops = {
 static void device_release(struct kobject *kobj)
 {
        struct device *dev = to_dev(kobj);
+       struct device_private *p = dev->p;
 
        if (dev->release)
                dev->release(dev);
@@ -120,6 +121,7 @@ static void device_release(struct kobject *kobj)
                WARN(1, KERN_ERR "Device '%s' does not have a release() "
                        "function, it is broken and must be fixed.\n",
                        dev_name(dev));
+       kfree(p);
 }
 
 static struct kobj_type device_ktype = {
@@ -536,6 +538,12 @@ static void klist_children_put(struct klist_node *n)
  */
 void device_initialize(struct device *dev)
 {
+       dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL);
+       if (!dev->p) {
+               WARN_ON(1);
+               return;
+       }
+       dev->p->device = dev;
        dev->kobj.kset = devices_kset;
        kobject_init(&dev->kobj, &device_ktype);
        klist_init(&dev->klist_children, klist_children_get,