diff options
| -rw-r--r-- | drivers/base/core.c | 16 | ||||
| -rw-r--r-- | include/linux/kobject.h | 4 | ||||
| -rw-r--r-- | lib/kobject.c | 37 |
3 files changed, 20 insertions, 37 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 992eba3289b..7762ee86697 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -571,6 +571,8 @@ static struct kobject *virtual_device_parent(struct device *dev) static struct kobject * get_device_parent(struct device *dev, struct device *parent) { + int retval; + if (dev->class) { struct kobject *kobj = NULL; struct kobject *parent_kobj; @@ -600,8 +602,18 @@ static struct kobject * get_device_parent(struct device *dev, return kobj; /* or create a new class-directory at the parent device */ - return kobject_kset_add_dir(&dev->class->class_dirs, - parent_kobj, dev->class->name); + k = kobject_create(); + if (!k) + return NULL; + k->kset = &dev->class->class_dirs; + retval = kobject_add_ng(k, parent_kobj, "%s", dev->class->name); + if (retval < 0) { + kobject_put(k); + return NULL; + } + /* Do not emit a uevent, as it's not needed for this + * "class glue" directory. */ + return k; } if (parent) diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 7b09136fb21..718b4881128 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -91,6 +91,7 @@ extern int __must_check kobject_init_and_add(struct kobject *kobj, extern void kobject_del(struct kobject *); +extern struct kobject * __must_check kobject_create(void); extern struct kobject * __must_check kobject_create_and_add(const char *name, struct kobject *parent); @@ -103,9 +104,6 @@ extern void kobject_unregister(struct kobject *); extern struct kobject * kobject_get(struct kobject *); extern void kobject_put(struct kobject *); -extern struct kobject *kobject_kset_add_dir(struct kset *kset, - struct kobject *, const char *); - extern char * kobject_get_path(struct kobject *, gfp_t); struct kobj_type { diff --git a/lib/kobject.c b/lib/kobject.c index 96b61d9a928..67c3d38d48f 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -629,15 +629,18 @@ static struct kobj_type dynamic_kobj_ktype = { .release = dynamic_kobj_release, }; -/* +/** * kobject_create - create a struct kobject dynamically * * This function creates a kobject structure dynamically and sets it up * to be a "dynamic" kobject with a default release function set up. * * If the kobject was not able to be created, NULL will be returned. + * The kobject structure returned from here must be cleaned up with a + * call to kobject_put() and not kfree(), as kobject_init_ng() has + * already been called on this structure. */ -static struct kobject *kobject_create(void) +struct kobject *kobject_create(void) { struct kobject *kobj; @@ -683,36 +686,6 @@ struct kobject *kobject_create_and_add(const char *name, struct kobject *parent) EXPORT_SYMBOL_GPL(kobject_create_and_add); /** - * kobject_kset_add_dir - add sub directory of object. - * @kset: kset the directory is belongs to. - * @parent: object in which a directory is created. - * @name: directory name. - * - * Add a plain directory object as child of given object. - */ -struct kobject *kobject_kset_add_dir(struct kset *kset, - struct kobject *parent, const char *name) -{ - struct kobject *k; - int ret; - - k = kobject_create(); - if (!k) - return NULL; - - k->kset = kset; - ret = kobject_add_ng(k, parent, "%s", name); - if (ret < 0) { - printk(KERN_WARNING "%s: kobject_add error: %d\n", - __func__, ret); - kobject_put(k); - k = NULL; - } - - return k; -} - -/** * kset_init - initialize a kset for use * @k: kset */ |