From f68c80126e8c789b935f2dfa469c1bb8e2a26ded Mon Sep 17 00:00:00 2001
From: zyh <lymz@foxmail.com>
Date: Fri, 27 Apr 2018 15:33:22 +0800
Subject: [PATCH] [Components][DFS]fix if disk free more than 4GB

---
 components/dfs/src/dfs_fs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/dfs/src/dfs_fs.c b/components/dfs/src/dfs_fs.c
index c1f31a2f8b..2090a7e363 100644
--- a/components/dfs/src/dfs_fs.c
+++ b/components/dfs/src/dfs_fs.c
@@ -554,8 +554,8 @@ int df(const char *path)
         return -1;
     }
 
-    cap = buffer.f_bsize * buffer.f_bfree / 1024;
-    for (unit_index = 0; unit_index < 3; unit_index ++)
+    cap = ((long long)buffer.f_bsize) * ((long long)buffer.f_bfree) / 1024LL;
+    for (unit_index = 0; unit_index < 2; unit_index ++)
     {
         if (cap < 1024) break;