ftrace: cleanups
factor out code and clean it up.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 2c1670c..953a36d 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -69,7 +69,7 @@
extern void ftrace_call(void);
extern void mcount_call(void);
#else
-# define ftrace_force_update() do { } while (0)
+# define ftrace_force_update() ({ 0; })
#endif
static inline void tracer_disable(void)