Re: [PATCH] erofs: make kobj_type structures constant

From: Gao Xiang
Date: Wed Feb 08 2023 - 22:22:52 EST




On 2023/2/9 11:21, Thomas Weißschuh wrote:
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 definitions to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>

Acked-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>

Thanks,
Gao Xiang

---
fs/erofs/sysfs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c
index fd476961f742..435e515c0792 100644
--- a/fs/erofs/sysfs.c
+++ b/fs/erofs/sysfs.c
@@ -179,13 +179,13 @@ static const struct sysfs_ops erofs_attr_ops = {
.store = erofs_attr_store,
};
-static struct kobj_type erofs_sb_ktype = {
+static const struct kobj_type erofs_sb_ktype = {
.default_groups = erofs_groups,
.sysfs_ops = &erofs_attr_ops,
.release = erofs_sb_release,
};
-static struct kobj_type erofs_ktype = {
+static const struct kobj_type erofs_ktype = {
.sysfs_ops = &erofs_attr_ops,
};
@@ -193,7 +193,7 @@ static struct kset erofs_root = {
.kobj = {.ktype = &erofs_ktype},
};
-static struct kobj_type erofs_feat_ktype = {
+static const struct kobj_type erofs_feat_ktype = {
.default_groups = erofs_feat_groups,
.sysfs_ops = &erofs_attr_ops,
};

---
base-commit: 0983f6bf2bfc0789b51ddf7315f644ff4da50acb
change-id: 20230209-kobj_type-erofs-0f0f4c901045

Best regards,