livepatch: Make kobj_type structures 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 definitions to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20230217-kobj_type-livepatch-v1-1-06ded292e897@weissschuh.net

diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
index 4bd2d5e10f20a1c83a24a829e8f29b55dd32e506..feaf90c5e53724cb6e2cf4bdc0c7b301b54b590a 100644 (file)
--- a/kernel/livepatch/core.c
+++ b/kernel/livepatch/core.c
@@ -596,7 +596,7 @@ static void klp_kobj_release_patch(struct kobject *kobj)
        complete(&patch->finish);
 }
 
-static struct kobj_type klp_ktype_patch = {
+static const struct kobj_type klp_ktype_patch = {
        .release = klp_kobj_release_patch,
        .sysfs_ops = &kobj_sysfs_ops,
        .default_groups = klp_patch_groups,
@@ -612,7 +612,7 @@ static void klp_kobj_release_object(struct kobject *kobj)
                klp_free_object_dynamic(obj);
 }
 
-static struct kobj_type klp_ktype_object = {
+static const struct kobj_type klp_ktype_object = {
        .release = klp_kobj_release_object,
        .sysfs_ops = &kobj_sysfs_ops,
        .default_groups = klp_object_groups,
@@ -628,7 +628,7 @@ static void klp_kobj_release_func(struct kobject *kobj)
                klp_free_func_nop(func);
 }
 
-static struct kobj_type klp_ktype_func = {
+static const struct kobj_type klp_ktype_func = {
        .release = klp_kobj_release_func,
        .sysfs_ops = &kobj_sysfs_ops,
 };