mutex_lock(&module_mutex);
}
-int delete_module(const char *name, unsigned int flags)
+asmlinkage long
+sys_delete_module(const char __user *name_user, unsigned int flags)
{
struct module *mod;
+ char name[MODULE_NAME_LEN];
int ret, forced = 0;
+ if (!capable(CAP_SYS_MODULE))
+ return -EPERM;
+
+ if (strncpy_from_user(name, name_user, MODULE_NAME_LEN-1) < 0)
+ return -EFAULT;
+ name[MODULE_NAME_LEN-1] = '\0';
+
if (mutex_lock_interruptible(&module_mutex) != 0)
return -EINTR;
return ret;
}
-asmlinkage long
-sys_delete_module(const char __user *name_user, unsigned int flags)
-{
- char name[MODULE_NAME_LEN];
-
- if (!capable(CAP_SYS_MODULE))
- return -EPERM;
-
- if (strncpy_from_user(name, name_user, MODULE_NAME_LEN-1) < 0)
- return -EFAULT;
- name[MODULE_NAME_LEN-1] = '\0';
-
- return delete_module(name, flags);
-}
-
static void print_unload_info(struct seq_file *m, struct module *mod)
{
struct module_use *use;
goto out;
mod->holders_dir = kobject_add_dir(&mod->mkobj.kobj, "holders");
- if (!mod->holders_dir)
+ if (!mod->holders_dir) {
+ err = -ENOMEM;
goto out_unreg;
+ }
err = module_param_sysfs_setup(mod, kparam, num_params);
if (err)
/* Lookup built-in module entry in /sys/modules */
mkobj = kset_find_obj(&module_subsys.kset, drv->mod_name);
- if (mkobj)
+ 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)
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 && drv->owner->mkobj.drivers_dir) {
+
+ 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(drv->owner->mkobj.drivers_dir,
- driver_name);
+ sysfs_remove_link(mk->drivers_dir, driver_name);
kfree(driver_name);
}
}