[PATCH 1/3] kobject: introduce kobject_is_added()

[Yangtao Li <frank.li@vivo.com>]

Add kobject_is_added() to avoid consumers from directly accessing
the internal variables of kobject.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
 include/linux/kobject.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index bdab370a24f4..b5cdb0c58729 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -203,6 +203,11 @@ static inline const struct kobj_type *get_ktype(const struct kobject *kobj)
 	return kobj->ktype;
 }
 
+static inline int kobject_is_added(struct kobject *kobj)
+{
+	return kobj->state_in_sysfs;
+}
+
 extern struct kobject *kset_find_obj(struct kset *, const char *);
 
 /* The global /sys/kernel/ kobject for people to chain off of */
-- 
2.35.1