1 files changed, 20 insertions, 8 deletions

diff --git a/kernel/params.c b/kernel/params.c
index 718945da8f58..553cf7d6a4be 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -30,6 +30,8 @@
 #define DEBUGP(fmt, a...)
 #endif
 
+static struct kobj_type module_ktype;
+
 static inline char dash2underscore(char c)
 {
         if (c == '-')
@@ -561,14 +563,11 @@ static void __init kernel_param_sysfs_setup(const char *name,
         mk->mod = THIS_MODULE;
         kobj_set_kset_s(mk, module_subsys);
         kobject_set_name(&mk->kobj, name);
-        ret = kobject_register(&mk->kobj);
+        kobject_init(&mk->kobj);
+        ret = kobject_add(&mk->kobj);
         BUG_ON(ret < 0);
-
-        /* no need to keep the kobject if no parameter is exported */
-        if (!param_sysfs_setup(mk, kparam, num_params, name_skip)) {
-                kobject_unregister(&mk->kobj);
-                kfree(mk);
-        }
+        param_sysfs_setup(mk, kparam, num_params, name_skip);
+        kobject_uevent(&mk->kobj, KOBJ_ADD);
 }
 
 /*
@@ -674,6 +673,19 @@ static struct sysfs_ops module_sysfs_ops = {
         .store = module_attr_store,
 };
 
+static int uevent_filter(struct kset *kset, struct kobject *kobj)
+{
+        struct kobj_type *ktype = get_ktype(kobj);
+
+        if (ktype == &module_ktype)
+                return 1;
+        return 0;
+}
+
+static struct kset_uevent_ops module_uevent_ops = {
+        .filter = uevent_filter,
+};
+
 #else
 static struct sysfs_ops module_sysfs_ops = {
         .show = NULL,
@@ -685,7 +697,7 @@ static struct kobj_type module_ktype = {
         .sysfs_ops =    &module_sysfs_ops,
 };
 
-decl_subsys(module, &module_ktype, NULL);
+decl_subsys(module, &module_ktype, &module_uevent_ops);
 
 /*
  * param_sysfs_init - wrapper for built-in params support