mod_sysfs_setup() doesn't return error when kobject_add_dir() failed.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
                goto out;
 
        mod->drivers_dir = kobject_add_dir(&mod->mkobj.kobj, "drivers");
-       if (!mod->drivers_dir)
+       if (!mod->drivers_dir) {
+               err = -ENOMEM;
                goto out_unreg;
+       }
 
        err = module_param_sysfs_setup(mod, kparam, num_params);
        if (err)