From c9a1245977cada92477836fad2fc07171d5f301c Mon Sep 17 00:00:00 2001
From: yangpeng <yangpengya@qq.com>
Date: Thu, 10 Oct 2024 16:12:42 +0800
Subject: [PATCH] =?UTF-8?q?[components][dfs][dfs=5Fv1]cat=E8=BE=93?=
 =?UTF-8?q?=E5=87=BA=E5=AE=9E=E9=99=85=E8=AF=BB=E5=8F=96=E7=9A=84=E9=95=BF?=
 =?UTF-8?q?=E5=BA=A6?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/dfs/dfs_v1/src/dfs_file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/dfs/dfs_v1/src/dfs_file.c b/components/dfs/dfs_v1/src/dfs_file.c
index acdc124f9a..bfe1920513 100644
--- a/components/dfs/dfs_v1/src/dfs_file.c
+++ b/components/dfs/dfs_v1/src/dfs_file.c
@@ -846,7 +846,7 @@ void cat(const char *filename)
         {
             buffer[length] = '\0';
             rt_device_t out_device = rt_console_get_device();
-            rt_device_write(out_device, 0, (void *)buffer, sizeof(buffer));
+            rt_device_write(out_device, 0, (void *)buffer, length);
         }
     } while (length > 0);
     rt_kprintf("\n");