diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 57a1eaa..3950d3c 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -106,7 +106,7 @@
 
 struct kobj_type {
 	void (*release)(struct kobject *kobj);
-	struct sysfs_ops *sysfs_ops;
+	const struct sysfs_ops *sysfs_ops;
 	struct attribute **default_attrs;
 };
 
@@ -132,7 +132,7 @@
 			 const char *buf, size_t count);
 };
 
-extern struct sysfs_ops kobj_sysfs_ops;
+extern const struct sysfs_ops kobj_sysfs_ops;
 
 /**
  * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem.