fix dfs_stat issue

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@882 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/dfs/filesystems/nfs/dfs_nfs.c

@@ -729,8 +729,6 @@ int nfs_stat(struct dfs_filesystem* fs, const char *path, struct _stat *st)
 	RT_ASSERT(fs->data != RT_NULL);
 	nfs = (struct nfs_filesystem *)fs->data;
 
-	rt_kprintf("get path:%s stat\n", path);
-
 	handle = get_handle(nfs, path);
 	if(handle == RT_NULL)
 		return -1;

components/dfs/src/dfs_file.c

@@ -354,7 +354,11 @@ int dfs_file_stat(const char *path, struct _stat *buf)
 		return -DFS_STATUS_ENOSYS;
 	}
 
-	result = fs->ops->stat(fs, fullpath, buf);
+	if (dfs_subdir(fs->path, fullpath) == RT_NULL)
+		result = fs->ops->stat(fs, "/", buf);
+	else
+		result = fs->ops->stat(fs, dfs_subdir(fs->path, fullpath), buf);
+
 	rt_free(fullpath);
 
 	return result;