From: Thomas Weißschuh <linux@weissschuh.net>
Date: Mon, 20 Feb 2023 23:23:31 +0000 (+0000)
Subject: mm: cma: make kobj_type structure constant
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a4a4659d86ec0395164dc346c1a7f4d2d1ff4db2;p=linux.git

mm: cma: make kobj_type structure constant

Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.") the
driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definition to prevent
modification at runtime.

Link: https://lkml.kernel.org/r/20230220-kobj_type-mm-cma-v1-1-45996cff1a81@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/cma_sysfs.c b/mm/cma_sysfs.c
index eb2f39caff59b..56347d15b7e8b 100644
--- a/mm/cma_sysfs.c
+++ b/mm/cma_sysfs.c
@@ -64,7 +64,7 @@ static struct attribute *cma_attrs[] = {
 };
 ATTRIBUTE_GROUPS(cma);
 
-static struct kobj_type cma_ktype = {
+static const struct kobj_type cma_ktype = {
 	.release = cma_kobj_release,
 	.sysfs_ops = &kobj_sysfs_ops,
 	.default_groups = cma_groups,