On Tue, Aug 23, 2022 at 01:27:22PM +0800, Chengming Zhou wrote: > > + if (of) { > > + WARN_ON_ONCE((kn->flags & KERNFS_HAS_RELEASE) && !of->released); > > kernfs_unlink_open_file() is also used in error case "err_put_node" in kernfs_fop_open(), > which should also dec the on->nr_to_release? Ah, right you're. Will fix. Thanks for pointing it out. -- tejun