[src/trunk]: src/sys/kern memfd(2): Convert KASSERT to CTASSERT.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/86e0c8c56bfc
branches:  trunk
changeset: 378280:86e0c8c56bfc
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat Jul 29 08:46:27 2023 +0000

description:
memfd(2): Convert KASSERT to CTASSERT.

Move it closer to where it's relevant too.

diffstat:

 sys/kern/sys_memfd.c |  7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diffs (35 lines):

diff -r 87d16c41431b -r 86e0c8c56bfc sys/kern/sys_memfd.c
--- a/sys/kern/sys_memfd.c      Sat Jul 29 07:49:14 2023 +0000
+++ b/sys/kern/sys_memfd.c      Sat Jul 29 08:46:27 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sys_memfd.c,v 1.2 2023/07/10 15:49:18 christos Exp $   */
+/*     $NetBSD: sys_memfd.c,v 1.3 2023/07/29 08:46:27 riastradh Exp $  */
 
 /*-
  * Copyright (c) 2023 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_memfd.c,v 1.2 2023/07/10 15:49:18 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_memfd.c,v 1.3 2023/07/29 08:46:27 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -97,8 +97,6 @@ sys_memfd_create(struct lwp *l, const st
        struct proc *p = l->l_proc;
        const unsigned int flags = SCARG(uap, flags);
 
-       KASSERT(NAME_MAX - sizeof(memfd_prefix) > 0); /* sanity check */
-
        if (flags & ~(MFD_CLOEXEC|MFD_ALLOW_SEALING))
                return EINVAL;
 
@@ -107,6 +105,7 @@ sys_memfd_create(struct lwp *l, const st
        mfd->mfd_uobj = uao_create(INT64_MAX - PAGE_SIZE, 0); /* same as tmpfs */
        mutex_init(&mfd->mfd_lock, MUTEX_DEFAULT, IPL_NONE);
 
+       CTASSERT(sizeof(memfd_prefix) < NAME_MAX); /* sanity check */
        strcpy(mfd->mfd_name, memfd_prefix);
        error = copyinstr(SCARG(uap, name),
            &mfd->mfd_name[sizeof(memfd_prefix) - 1],