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@weissschuh.net>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c
index 5dce0f4..bfaef27 100644 (file)
--- a/drivers/md/dm-sysfs.c
+++ b/drivers/md/dm-sysfs.c
@@ -120,7 +120,7 @@ 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,