Commit 74c3dea3 authored by Rusty Russell's avatar Rusty Russell
Browse files

params: suppress unused variable error, warn once just in case code changes. 



It shouldn't fail due to OOM (it's boot time), and already warns if we
get two identical names.  But you never know what the future holds, and
WARN_ON_ONCE() keeps gcc happy with minimal code.

Reported-by: default avatarLouis Langholtz <lou_langholtz@me.com>
Acked-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent b6c09b51

kernel/params.c

+1 −0
Original line number Diff line number Diff line
@@ -884,6 +884,7 @@ static void __init version_sysfs_builtin(void) 
		mk = locate_module_kobject(vattr->module_name);

		if (mk) {

			err = sysfs_create_file(&mk->kobj, &vattr->mattr.attr);

			WARN_ON_ONCE(err);

			kobject_uevent(&mk->kobj, KOBJ_ADD);

			kobject_put(&mk->kobj);

		}