linux-kernel - [PATCH] dm sysfs: make kobj

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Message-Id: <20230214-kobj_type-dm-v1-1-f1e0ffee5373@weissschuh.net>
Date:   Tue, 14 Feb 2023 03:20:55 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...nel.org>, dm-devel@...hat.com
Cc:     linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH] dm sysfs: 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.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/md/dm-sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c
index e28c92478536..dc281162f1d4 100644
--- a/drivers/md/dm-sysfs.c
+++ b/drivers/md/dm-sysfs.c
@@ -119,7 +119,7 @@ static const struct sysfs_ops dm_sysfs_ops = {
 	.store	= dm_attr_store,
 };
 
-static struct kobj_type dm_ktype = {
+static const struct kobj_type dm_ktype = {
 	.sysfs_ops	= &dm_sysfs_ops,
 	.default_groups	= dm_groups,
 	.release	= dm_kobject_release,

---
base-commit: f6feea56f66d34259c4222fa02e8171c4f2673d1
change-id: 20230214-kobj_type-dm-66ebe1e40530

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>