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authorGreg Kroah-Hartman <gregkh@suse.de>2008-12-16 23:23:36 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2009-01-06 21:44:32 +0300
commit2831fe6f9cc4e16c103504ee09a47a084297c0f3 (patch)
tree36869b2a4ad9dce0fb0812f44355233e907afa95 /drivers/base/core.c
parent2e5ba26a483218b51b7b327fb235b348890aea15 (diff)
downloadlinux-2831fe6f9cc4e16c103504ee09a47a084297c0f3.tar.xz
driver core: create a private portion of struct device
This is to be used to move things out of struct device that no code outside of the driver core should ever touch. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/core.c')
-rw-r--r--drivers/base/core.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 14aa2b6953c9..6657787e64f8 100644
--- 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,