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Commit 1fcc1553 authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Steven Rostedt
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ftrace: Have static function trace clear ENABLED flag on unregister 



The ENABLED flag needs to be cleared when a ftrace_ops is unregistered
otherwise it wont be able to be registered again.

This is only for static tracing and does not affect DYNAMIC_FTRACE at
all.

Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent e1e232ca

kernel/trace/ftrace.c

+7 −1
Original line number Diff line number Diff line
@@ -4463,7 +4463,13 @@ static inline void ftrace_startup_enable(int command) { } 
			(ops)->flags |= FTRACE_OPS_FL_ENABLED;		\

		___ret;							\

	})

# define ftrace_shutdown(ops, command) __unregister_ftrace_function(ops)

# define ftrace_shutdown(ops, command)					\

	({								\

		int ___ret = __unregister_ftrace_function(ops);		\

		if (!___ret)						\

			(ops)->flags &= ~FTRACE_OPS_FL_ENABLED;		\

		___ret;							\

	})



# define ftrace_startup_sysctl()	do { } while (0)

# define ftrace_shutdown_sysctl()	do { } while (0)