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Commit c420970e authored by Mathieu Desnoyers's avatar Mathieu Desnoyers Committed by Ingo Molnar
Browse files

tracepoints: use unregister return value 



Impact: bugfix.

Unregistering a tracepoint can fail. Return the error value.

Signed-off-by: default avatarMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent da7b3eab

include/linux/tracepoint.h

+6 −4
Original line number Diff line number Diff line
@@ -73,9 +73,9 @@ struct tracepoint { 
		return tracepoint_probe_register(#name ":" #proto,	\

			(void *)probe);					\

	}								\

	static inline void unregister_trace_##name(void (*probe)(proto))\

	static inline int unregister_trace_##name(void (*probe)(proto))	\

	{								\

		tracepoint_probe_unregister(#name ":" #proto,		\

		return tracepoint_probe_unregister(#name ":" #proto,	\

			(void *)probe);					\

	}
@@ -92,8 +92,10 @@ extern void tracepoint_update_probe_range(struct tracepoint *begin, 
	{								\

		return -ENOSYS;						\

	}								\

	static inline void unregister_trace_##name(void (*probe)(proto))\

	{ }

	static inline int unregister_trace_##name(void (*probe)(proto))	\

	{								\

		return -ENOSYS;						\

	}



static inline void tracepoint_update_probe_range(struct tracepoint *begin,

	struct tracepoint *end)