From a8c97f75767fc1426d5f65c8c494d550d7068f78 Mon Sep 17 00:00:00 2001
From: Mike Galbraith <bitbucket@online.de>
Date: Fri, 30 Aug 2013 07:57:25 +0200
Subject: hwlat-detector: Don't ignore threshold module parameter

If the user specified a threshold at module load time, use it.

Cc: stable-rt@vger.kernel.org
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Mike Galbraith <bitbucket@online.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

diff --git a/drivers/misc/hwlat_detector.c b/drivers/misc/hwlat_detector.c
index 6e88113..2429c43 100644
--- a/drivers/misc/hwlat_detector.c
+++ b/drivers/misc/hwlat_detector.c
@@ -414,7 +414,7 @@ static int init_stats(void)
 		goto out;
 
 	__reset_stats();
-	data.threshold = DEFAULT_LAT_THRESHOLD;	    /* threshold us */
+	data.threshold = threshold ?: DEFAULT_LAT_THRESHOLD; /* threshold us */
 	data.sample_window = DEFAULT_SAMPLE_WINDOW; /* window us */
 	data.sample_width = DEFAULT_SAMPLE_WIDTH;   /* width us */
 
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