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kobject: add kobject_init_and_add function 

Also add a kobject_init_and_add function which bundles up what a lot of
the current callers want to do all at once, and it properly handles the
memory usages, unlike kobject_register();

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2007-12-03 21:31:08 -08:00
parent 244f6cee9a
commit c11c4154e7
2 changed files with 32 additions and 0 deletions
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5
include/linux/kobject.h
View File

@ -84,6 +84,11 @@ extern int __must_check kobject_add(struct kobject *);
extern int __must_check kobject_add_ng(struct kobject *kobj, extern int __must_check kobject_add_ng(struct kobject *kobj,
struct kobject *parent, struct kobject *parent,
const char *fmt, ...); const char *fmt, ...);
extern int __must_check kobject_init_and_add(struct kobject *kobj,
struct kobj_type *ktype,
struct kobject *parent,
const char *fmt, ...);
extern void kobject_del(struct kobject *); extern void kobject_del(struct kobject *);
extern int __must_check kobject_rename(struct kobject *, const char *new_name); extern int __must_check kobject_rename(struct kobject *, const char *new_name);

27
lib/kobject.c
View File

@ -390,6 +390,33 @@ int kobject_add_ng(struct kobject *kobj, struct kobject *parent,
} }
EXPORT_SYMBOL(kobject_add_ng); EXPORT_SYMBOL(kobject_add_ng);
/**
* kobject_init_and_add - initialize a kobject structure and add it to the kobject hierarchy
* @kobj: pointer to the kobject to initialize
* @ktype: pointer to the ktype for this kobject.
* @parent: pointer to the parent of this kobject.
* @fmt: the name of the kobject.
*
* This function combines the call to kobject_init_ng() and
* kobject_add_ng(). The same type of error handling after a call to
* kobject_add_ng() and kobject lifetime rules are the same here.
*/
int kobject_init_and_add(struct kobject *kobj, struct kobj_type *ktype,
struct kobject *parent, const char *fmt, ...)
{
va_list args;
int retval;
kobject_init_ng(kobj, ktype);
va_start(args, fmt);
retval = kobject_add_varg(kobj, parent, fmt, args);
va_end(args);
return retval;
}
EXPORT_SYMBOL_GPL(kobject_init_and_add);
/** /**
* kobject_rename - change the name of an object * kobject_rename - change the name of an object
* @kobj: object in question. * @kobj: object in question.