On Wed, Dec 8, 2021 at 1:25 PM David Howells [off-list ref] wrote:

Remove the add_mnt_opt LSM hook as it's not actually used.  This makes it
easier to make the context pointers in selinux_mnt_opts non-const.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Alexander Viro <viro@zeniv.linux.org.uk>
cc: Paul Moore <paul@paul-moore.com>
cc: Casey Schaufler <casey@schaufler-ca.com>
cc: selinux@vger.kernel.org
cc: linux-security-module@vger.kernel.org
cc: linux-nfs@vger.kernel.org
cc: linux-cachefs@redhat.com
---

 include/linux/lsm_hook_defs.h |    2 --
 include/linux/lsm_hooks.h     |    2 --
 include/linux/security.h      |    8 --------
 security/security.c           |    8 --------
 security/selinux/hooks.c      |   39 ---------------------------------------
 5 files changed, 59 deletions(-)

There is already a patch in the selinux/next tree which does this.

  commit 52f982f00b220d097a71a23c149a1d18efc08e63
  Author: Ondrej Mosnacek [off-list ref]
  Date:   Mon Dec 6 14:24:06 2021 +0100

   security,selinux: remove security_add_mnt_opt()

   Its last user has been removed in commit f2aedb713c28 ("NFS: Add
   fs_context support.").

   Signed-off-by: Ondrej Mosnacek [off-list ref]
   Reviewed-by: Casey Schaufler [off-list ref]
   Signed-off-by: Paul Moore [off-list ref]

-- 
paul moore
www.paul-moore.com