kobject: kobject_uevent() returns manageable value

Since kobject_uevent() function does not return an integer value to
indicate if its operation was completed with success or not, it is worth
changing it in order to report a proper status (success or error) instead
of returning void.

[randy.dunlap@oracle.com: Fix inline kobject functions]
Cc: Mauricio Lin <mauriciolin@gmail.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 6 insertions, 5 deletions

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index d1c8d28fa92e..76538fcf2c4e 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -265,8 +265,8 @@ extern int __must_check subsys_create_file(struct subsystem * ,
                                         struct subsys_attribute *);
 
 #if defined(CONFIG_HOTPLUG)
-void kobject_uevent(struct kobject *kobj, enum kobject_action action);
-void kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
+int kobject_uevent(struct kobject *kobj, enum kobject_action action);
+int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
                         char *envp[]);
 
 int add_uevent_var(char **envp, int num_envp, int *cur_index,
@@ -274,11 +274,12 @@ int add_uevent_var(char **envp, int num_envp, int *cur_index,
                         const char *format, ...)
         __attribute__((format (printf, 7, 8)));
 #else
-static inline void kobject_uevent(struct kobject *kobj, enum kobject_action action) { }
-static inline void kobject_uevent_env(struct kobject *kobj,
+static inline int kobject_uevent(struct kobject *kobj, enum kobject_action action)
+{ return 0; }
+static inline int kobject_uevent_env(struct kobject *kobj,
                                       enum kobject_action action,
                                       char *envp[])
-{ }
+{ return 0; }
 
 static inline int add_uevent_var(char **envp, int num_envp, int *cur_index,
                                       char *buffer, int buffer_size, int *cur_len,