tracing: Convert trace_destroy_fields() to static

trace_destroy_fields() is not used outside of the file. It can be
a static function.

Link: http://lkml.kernel.org/r/513D842A.2000907@huawei.com
Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index ba523d7beea2e571f4d9eec437208b0702c62c7b..a71cdc3c5df9a8d30f073c7fadc98975b263bf9b 100644 (file)
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -158,7 +158,7 @@ static int trace_define_common_fields(void)
        return ret;
 }
 
-void trace_destroy_fields(struct ftrace_event_call *call)
+static void trace_destroy_fields(struct ftrace_event_call *call)
 {
        struct ftrace_event_field *field, *next;
        struct list_head *head;