From 5ccbaae150e74260ef0c9b4e5f079bfae35df6fd Mon Sep 17 00:00:00 2001
From: tanek liang <tanekliang@gmail.com>
Date: Tue, 28 Nov 2017 21:11:41 +0800
Subject: [PATCH] [DFS] fix ROMFS get root directory bug

---
 components/dfs/filesystems/romfs/dfs_romfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/dfs/filesystems/romfs/dfs_romfs.c b/components/dfs/filesystems/romfs/dfs_romfs.c
index f88845f41d..c842601dc8 100644
--- a/components/dfs/filesystems/romfs/dfs_romfs.c
+++ b/components/dfs/filesystems/romfs/dfs_romfs.c
@@ -191,8 +191,10 @@ int dfs_romfs_open(struct dfs_fd *file)
     rt_size_t size;
     struct romfs_dirent *dirent;
     struct romfs_dirent *root_dirent;
+    struct dfs_filesystem *fs;
 
-    root_dirent = (struct romfs_dirent *)file->data;
+    fs = (struct dfs_filesystem *)file->data;
+    root_dirent = (struct romfs_dirent *)fs->data;
 
     if (check_dirent(root_dirent) != 0)
         return -EIO;