From ef219c20c272844011a21858658de93f63e70966 Mon Sep 17 00:00:00 2001
From: JasonJiaJie <jiajie_314@foxmail.com>
Date: Wed, 8 Nov 2017 09:38:18 +0800
Subject: [PATCH] [Driver][Pipe]Memory leak issue when close a pipe.

There is a memory leak issue when close a pipe.
---
 components/drivers/src/pipe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/drivers/src/pipe.c b/components/drivers/src/pipe.c
index 0553c500ee..83f47cc27a 100644
--- a/components/drivers/src/pipe.c
+++ b/components/drivers/src/pipe.c
@@ -20,6 +20,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2012-09-30     Bernard      first version.
+ * 2017-11-08     JasonJiaJie  fix memory leak issue when close a pipe.
  */
 #include <rthw.h>
 #include <rtdevice.h>
@@ -102,7 +103,7 @@ static int pipe_fops_close(struct dfs_fd *fd)
 
     if (device->ref_count == 1)
     {
-        rt_free(pipe->fifo);
+        rt_ringbuffer_destroy(pipe->fifo);
         pipe->fifo = RT_NULL;
     }
     device->ref_count --;
-- 
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