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Groups > linux.kernel > #1235176

[PATCH 8/8] kernel/trace: ftrace_event_is_function can be boolean

From Yaowei Bai <bywxiaobai@163.com>
Newsgroups linux.kernel
Subject [PATCH 8/8] kernel/trace: ftrace_event_is_function can be boolean
Date 2015-09-29 16:50 +0200
Message-ID <qe4oa-ZN-31@gated-at.bofh.it> (permalink)
References <qe4oa-ZN-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This patch makes 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.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
 kernel/trace/trace.h        | 2 +-
 kernel/trace/trace_export.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 74bde81..b7acc4e 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -859,7 +859,7 @@ 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
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index adabf7d..39aa7aa 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -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;
 }
-- 
1.9.1


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Thread

[PATCH 0/8] cleanups for trace Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 4/8] kernel/ring_buffer: ring_buffer_empty{cpu} can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 2/8] kernel/trace: report_latency in trace_irqsoff.c can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 8/8] kernel/trace: ftrace_event_is_function can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 1/8] kernel/trace: report_latency in trace_sched_wakeup.c can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 6/8] kernel/trace: rb_event_is_commit can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 5/8] kernel/ring_buffer: rb_per_cpu_empty can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 7/8] kernel/trace: is_legal_op can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200
  [PATCH 3/8] kernel/trace: rb_is_reader_page can be boolean Yaowei Bai <bywxiaobai@163.com> - 2015-09-29 16:50 +0200

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