From d47dd9a12c978d8237f090d6cdba7e75fa409445 Mon Sep 17 00:00:00 2001
From: liu2guang <1004383796@qq.com>
Date: Mon, 2 Oct 2017 23:30:46 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E6=97=A0=E6=B3=95=E9=87=8D?=
 =?UTF-8?q?=E5=A4=8D=E4=BD=BF=E7=94=A8finsh=E5=91=BD=E4=BB=A4device=5Ftest?=
 =?UTF-8?q?=E8=BF=9B=E8=A1=8C=E9=A9=B1=E5=8A=A8=E6=B5=8B=E8=AF=95?=
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1. 该问题是打开设备后, 出错或者成功后没有关闭设备而导致.
---
 examples/test/device_test.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/examples/test/device_test.c b/examples/test/device_test.c
index 337eb0dbd..c1902fe91 100644
--- a/examples/test/device_test.c
+++ b/examples/test/device_test.c
@@ -90,7 +90,7 @@ static rt_err_t _block_device_test(rt_device_t device)
 
         /* step 3:  R/W test */
         {
-            rt_uint32_t i,err_count, sector_no;
+            rt_uint32_t i, err_count, sector_no;
             rt_uint8_t * data_point;
 
             i = rt_device_read(device, 0, read_buffer, 1);
@@ -449,11 +449,13 @@ static rt_err_t _block_device_test(rt_device_t device)
             }
         } /* step 5: multiple sector speed test */
 
+        rt_device_close(device);
         return RT_EOK;
     }// device can read and write.
     else
     {
         // device read only
+        rt_device_close(device);
         return RT_EOK;
     }// device read only
 
@@ -466,6 +468,7 @@ __return:
     {
         rt_free(write_buffer);
     }
+    rt_device_close(device);
     return RT_ERROR;
 }
 
-- 
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