diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index dfaa37e1943d..af79b0f8cdc1 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -268,16 +268,16 @@ int ftrace_modify_direct_caller(struct ftrace_func_entry *entry,
 # define ftrace_direct_func_count 0
 static inline int register_ftrace_direct(unsigned long ip, unsigned long addr)
 {
-	return -ENODEV;
+	return -ENOTSUPP;
 }
 static inline int unregister_ftrace_direct(unsigned long ip, unsigned long addr)
 {
-	return -ENODEV;
+	return -ENOTSUPP;
 }
 static inline int modify_ftrace_direct(unsigned long ip,
 				       unsigned long old_addr, unsigned long new_addr)
 {
-	return -ENODEV;
+	return -ENOTSUPP;
 }
 static inline struct ftrace_direct_func *ftrace_find_direct_func(unsigned long addr)
 {