tracing: report_latency() in trace_irqsoff.c can return boolean

This patch makes report_latency return bool due to this
particular function only using either one or zero as its
return value.

No functional change.

Link: http://lkml.kernel.org/r/1443537816-5788-3-git-send-email-bywxiaobai@163.com
Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index eaf5291bcf631e8b08db9b6e9c4e5ed82f642408..e4e56589ec1d392c1734ddff45e87b6fc2dde2fb 100644 (file)
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -282,16 +282,16 @@ static void irqsoff_print_header(struct seq_file *s)
 /*
  * Should this new latency be reported/recorded?
  */
-static int report_latency(struct trace_array *tr, cycle_t delta)
+static bool report_latency(struct trace_array *tr, cycle_t delta)
 {
        if (tracing_thresh) {
                if (delta < tracing_thresh)
-                       return 0;
+                       return false;
        } else {
                if (delta <= tr->max_latency)
-                       return 0;
+                       return false;
        }
-       return 1;
+       return true;
 }
 
 static void