tracing: ftrace_event_is_function() can return boolean (c6650b2e) · Commits · 戴 / test

Make ftrace_event_is_function() return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Link: http://lkml.kernel.org/r/1443537816-5788-9-git-send-email-bywxiaobai@163.com Signed-off-by:

kernel/trace/trace.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -873,7 +873,7 @@ void ftrace_destroy_filter_files(struct ftrace_ops *ops);
		#define ftrace_destroy_filter_files(ops) do { } while (0)
		#endif /* CONFIG_FUNCTION_TRACER && CONFIG_DYNAMIC_FTRACE */

		int ftrace_event_is_function(struct trace_event_call *call);
		bool ftrace_event_is_function(struct trace_event_call *call);

		/*
		* struct trace_parser - servers for reading the user input separated by spaces

+1 −1

Original line number	Diff line number	Diff line
		@@ -187,7 +187,7 @@ __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call;
		FTRACE_ENTRY_REG(call, struct_name, etype, \
		PARAMS(tstruct), PARAMS(print), filter, NULL)

		int ftrace_event_is_function(struct trace_event_call *call)
		bool ftrace_event_is_function(struct trace_event_call *call)
		{
		return call == &event_function;
		}