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> --- drivers/acpi/cppc_acpi.c | 2 +- drivers/acpi/device_sysfs.c | 2 +- drivers/acpi/sysfs.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 0f17b1c32718..a8f58b32d66f 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -193,7 +193,7 @@ static struct attribute *cppc_attrs[] = { }; ATTRIBUTE_GROUPS(cppc); -static struct kobj_type cppc_ktype = { +static const struct kobj_type cppc_ktype = { .sysfs_ops = &kobj_sysfs_ops, .default_groups = cppc_groups, }; diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 120873dad2cc..c3aa15571f16 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -78,7 +78,7 @@ static void acpi_data_node_release(struct kobject *kobj) complete(&dn->kobj_done); } -static struct kobj_type acpi_data_node_ktype = { +static const struct kobj_type acpi_data_node_ktype = { .sysfs_ops = &acpi_data_node_sysfs_ops, .default_groups = acpi_data_node_default_groups, .release = acpi_data_node_release, diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 7db3b530279b..7f4ff56c9d42 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -953,7 +953,7 @@ static struct attribute *hotplug_profile_attrs[] = { }; ATTRIBUTE_GROUPS(hotplug_profile); -static struct kobj_type acpi_hotplug_profile_ktype = { +static const struct kobj_type acpi_hotplug_profile_ktype = { .sysfs_ops = &kobj_sysfs_ops, .default_groups = hotplug_profile_groups, }; --- base-commit: f6feea56f66d34259c4222fa02e8171c4f2673d1 change-id: 20230214-kobj_type-acpi-3ade041e87cc Best regards, -- Thomas Weißschuh <linux@xxxxxxxxxxxxxx>