linux-kernel - [PATCH] ring-buffer-benchmark: Fix the wrong param in module

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Date:	Wed, 10 Jun 2015 08:11:13 +0000
From:	Wang Long <long.wanglong@...wei.com>
To:	<rostedt@...dmis.org>, <mingo@...hat.com>
CC:	<wanglong@...qinren.net>, <long.wanglong@...wei.com>,
	<linux-kernel@...r.kernel.org>, <peifeiyue@...wei.com>
Subject: [PATCH] ring-buffer-benchmark: Fix the wrong param in module_param

The {producer|consumer}_{nice|fifo} parameters are integer
type, we should use 'int' as the second param in module_param.

For example(consumer_fifo):
	the default value of consumer_fifo is -1.
   Without this patch:
        # cat /sys/module/ring_buffer_benchmark/parameters/consumer_fifo
        4294967295
   With this patch:
	# cat /sys/module/ring_buffer_benchmark/parameters/consumer_fifo
	-1

Signed-off-by: Wang Long <long.wanglong@...wei.com>
---
 kernel/trace/ring_buffer_benchmark.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/ring_buffer_benchmark.c b/kernel/trace/ring_buffer_benchmark.c
index e1b4a81..61b933b 100644
--- a/kernel/trace/ring_buffer_benchmark.c
+++ b/kernel/trace/ring_buffer_benchmark.c
@@ -46,16 +46,16 @@ static int consumer_nice = MAX_NICE;
 static int producer_fifo = -1;
 static int consumer_fifo = -1;
 
-module_param(producer_nice, uint, 0644);
+module_param(producer_nice, int, 0644);
 MODULE_PARM_DESC(producer_nice, "nice prio for producer");
 
-module_param(consumer_nice, uint, 0644);
+module_param(consumer_nice, int, 0644);
 MODULE_PARM_DESC(consumer_nice, "nice prio for consumer");
 
-module_param(producer_fifo, uint, 0644);
+module_param(producer_fifo, int, 0644);
 MODULE_PARM_DESC(producer_fifo, "fifo prio for producer");
 
-module_param(consumer_fifo, uint, 0644);
+module_param(consumer_fifo, int, 0644);
 MODULE_PARM_DESC(consumer_fifo, "fifo prio for consumer");
 
 static int read_events;
-- 
1.8.3.4

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