1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/rv.h b/include/linux/rv.h
index 3452b5e4b29e..9428e62eb8e9 100644
--- a/include/linux/rv.h
+++ b/include/linux/rv.h
@@ -38,7 +38,7 @@ union rv_task_monitor {
 struct rv_reactor {
 	const char		*name;
 	const char		*description;
-	void			(*react)(char *msg);
+	__printf(1, 2) void	(*react)(const char *msg, ...);
 };
 #endif
 
@@ -50,7 +50,7 @@ struct rv_monitor {
 	void			(*disable)(void);
 	void			(*reset)(void);
 #ifdef CONFIG_RV_REACTORS
-	void			(*react)(char *msg);
+	__printf(1, 2) void	(*react)(const char *msg, ...);
 #endif
 };
 
@@ -64,6 +64,11 @@ void rv_put_task_monitor_slot(int slot);
 bool rv_reacting_on(void);
 int rv_unregister_reactor(struct rv_reactor *reactor);
 int rv_register_reactor(struct rv_reactor *reactor);
+#else
+static inline bool rv_reacting_on(void)
+{
+	return false;
+}
 #endif /* CONFIG_RV_REACTORS */
 
 #endif /* CONFIG_RV */