tracing: ftrace_event_is_function() can return boolean
authorYaowei Bai <bywxiaobai@163.com>
Tue, 29 Sep 2015 14:43:36 +0000 (22:43 +0800)
committerSteven Rostedt <rostedt@goodmis.org>
Mon, 2 Nov 2015 19:28:05 +0000 (14:28 -0500)
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: Yaowei Bai <bywxiaobai@163.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/trace.h
kernel/trace/trace_export.c

index 89ffdaf..be2126f 100644 (file)
@@ -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
index adabf7d..39aa7aa 100644 (file)
@@ -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;
 }