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Diffstat (limited to 'kernel/module.c')
-rw-r--r--kernel/module.c128
1 files changed, 18 insertions, 110 deletions
diff --git a/kernel/module.c b/kernel/module.c
index c2e3e2e98801..dcb8a2cbf75e 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -47,8 +47,6 @@
#include <asm/cacheflush.h>
#include <linux/license.h>
-extern int module_sysfs_initialized;
-
#if 0
#define DEBUGP printk
#else
@@ -1122,7 +1120,7 @@ static void add_notes_attrs(struct module *mod, unsigned int nsect,
++loaded;
}
- notes_attrs->dir = kobject_add_dir(&mod->mkobj.kobj, "notes");
+ notes_attrs->dir = kobject_create_and_add("notes", &mod->mkobj.kobj);
if (!notes_attrs->dir)
goto out;
@@ -1219,15 +1217,16 @@ int mod_sysfs_init(struct module *mod)
err = -EINVAL;
goto out;
}
- memset(&mod->mkobj.kobj, 0, sizeof(mod->mkobj.kobj));
- err = kobject_set_name(&mod->mkobj.kobj, "%s", mod->name);
- if (err)
- goto out;
- kobj_set_kset_s(&mod->mkobj, module_subsys);
mod->mkobj.mod = mod;
- kobject_init(&mod->mkobj.kobj);
+ memset(&mod->mkobj.kobj, 0, sizeof(mod->mkobj.kobj));
+ mod->mkobj.kobj.kset = module_kset;
+ err = kobject_init_and_add(&mod->mkobj.kobj, &module_ktype, NULL,
+ "%s", mod->name);
+ if (err)
+ kobject_put(&mod->mkobj.kobj);
+ /* delay uevent until full sysfs population */
out:
return err;
}
@@ -1238,12 +1237,7 @@ int mod_sysfs_setup(struct module *mod,
{
int err;
- /* delay uevent until full sysfs population */
- err = kobject_add(&mod->mkobj.kobj);
- if (err)
- goto out;
-
- mod->holders_dir = kobject_add_dir(&mod->mkobj.kobj, "holders");
+ mod->holders_dir = kobject_create_and_add("holders", &mod->mkobj.kobj);
if (!mod->holders_dir) {
err = -ENOMEM;
goto out_unreg;
@@ -1263,11 +1257,9 @@ int mod_sysfs_setup(struct module *mod,
out_unreg_param:
module_param_sysfs_remove(mod);
out_unreg_holders:
- kobject_unregister(mod->holders_dir);
+ kobject_put(mod->holders_dir);
out_unreg:
- kobject_del(&mod->mkobj.kobj);
kobject_put(&mod->mkobj.kobj);
-out:
return err;
}
#endif
@@ -1276,9 +1268,9 @@ static void mod_kobject_remove(struct module *mod)
{
module_remove_modinfo_attrs(mod);
module_param_sysfs_remove(mod);
- kobject_unregister(mod->mkobj.drivers_dir);
- kobject_unregister(mod->holders_dir);
- kobject_unregister(&mod->mkobj.kobj);
+ kobject_put(mod->mkobj.drivers_dir);
+ kobject_put(mod->holders_dir);
+ kobject_put(&mod->mkobj.kobj);
}
/*
@@ -1884,10 +1876,10 @@ static struct module *load_module(void __user *umod,
/* Now we've moved module, initialize linked lists, etc. */
module_unload_init(mod);
- /* Initialize kobject, so we can reference it. */
+ /* add kobject, so we can reference it. */
err = mod_sysfs_init(mod);
if (err)
- goto cleanup;
+ goto free_unload;
/* Set up license info based on the info section */
set_license(mod, get_modinfo(sechdrs, infoindex, "license"));
@@ -2057,6 +2049,9 @@ static struct module *load_module(void __user *umod,
arch_cleanup:
module_arch_cleanup(mod);
cleanup:
+ kobject_del(&mod->mkobj.kobj);
+ kobject_put(&mod->mkobj.kobj);
+ free_unload:
module_unload_free(mod);
module_free(mod, mod->module_init);
free_core:
@@ -2502,93 +2497,6 @@ void print_modules(void)
printk("\n");
}
-#ifdef CONFIG_SYSFS
-static char *make_driver_name(struct device_driver *drv)
-{
- char *driver_name;
-
- driver_name = kmalloc(strlen(drv->name) + strlen(drv->bus->name) + 2,
- GFP_KERNEL);
- if (!driver_name)
- return NULL;
-
- sprintf(driver_name, "%s:%s", drv->bus->name, drv->name);
- return driver_name;
-}
-
-static void module_create_drivers_dir(struct module_kobject *mk)
-{
- if (!mk || mk->drivers_dir)
- return;
-
- mk->drivers_dir = kobject_add_dir(&mk->kobj, "drivers");
-}
-
-void module_add_driver(struct module *mod, struct device_driver *drv)
-{
- char *driver_name;
- int no_warn;
- struct module_kobject *mk = NULL;
-
- if (!drv)
- return;
-
- if (mod)
- mk = &mod->mkobj;
- else if (drv->mod_name) {
- struct kobject *mkobj;
-
- /* Lookup built-in module entry in /sys/modules */
- mkobj = kset_find_obj(&module_subsys, drv->mod_name);
- if (mkobj) {
- mk = container_of(mkobj, struct module_kobject, kobj);
- /* remember our module structure */
- drv->mkobj = mk;
- /* kset_find_obj took a reference */
- kobject_put(mkobj);
- }
- }
-
- if (!mk)
- return;
-
- /* Don't check return codes; these calls are idempotent */
- no_warn = sysfs_create_link(&drv->kobj, &mk->kobj, "module");
- driver_name = make_driver_name(drv);
- if (driver_name) {
- module_create_drivers_dir(mk);
- no_warn = sysfs_create_link(mk->drivers_dir, &drv->kobj,
- driver_name);
- kfree(driver_name);
- }
-}
-EXPORT_SYMBOL(module_add_driver);
-
-void module_remove_driver(struct device_driver *drv)
-{
- struct module_kobject *mk = NULL;
- char *driver_name;
-
- if (!drv)
- return;
-
- sysfs_remove_link(&drv->kobj, "module");
-
- if (drv->owner)
- mk = &drv->owner->mkobj;
- else if (drv->mkobj)
- mk = drv->mkobj;
- if (mk && mk->drivers_dir) {
- driver_name = make_driver_name(drv);
- if (driver_name) {
- sysfs_remove_link(mk->drivers_dir, driver_name);
- kfree(driver_name);
- }
- }
-}
-EXPORT_SYMBOL(module_remove_driver);
-#endif
-
#ifdef CONFIG_MODVERSIONS
/* Generate the signature for struct module here, too, for modversions. */
void struct_module(struct module *mod) { return; }