Re: [PATCH v9 03/21] cachefiles: unbind cachefiles gracefully in on-demand mode

From: David Howells
Date: Thu Apr 21 2022 - 10:02:52 EST


Jeffle Xu <jefflexu@xxxxxxxxxxxxxxxxx> wrote:

> + struct kref unbind_pincount;/* refcount to do daemon unbind */

Please use refcount_t or atomic_t, especially as this isn't the refcount for
the structure.

> - cachefiles_daemon_unbind(cache);
> -
> /* clean up the control file interface */
> cache->cachefilesd = NULL;
> file->private_data = NULL;
> cachefiles_open = 0;

Please call cachefiles_daemon_unbind() before the cleanup.

David