[Kernel] Use rt_object_get_information to get object chain

1 files changed, 2 insertions, 3 deletions

diff --git a/components/dfs/filesystems/devfs/devfs.c b/components/dfs/filesystems/devfs/devfs.c
index 6bfeccb578..4f2f0ebcd9 100644
--- a/components/dfs/filesystems/devfs/devfs.c
+++ b/components/dfs/filesystems/devfs/devfs.c
@@ -150,13 +150,12 @@ int dfs_device_fs_open(struct dfs_fd *file)
         struct device_dirent *root_dirent;
         rt_uint32_t count = 0;
         
-        extern struct rt_object_information rt_object_container[];
-
         /* lock scheduler */
         rt_enter_critical();
 
         /* traverse device object */
-        information = &rt_object_container[RT_Object_Class_Device];
+        information = rt_object_get_information(RT_Object_Class_Device);
+        RT_ASSERT(information != RT_NULL);
         for (node = information->object_list.next; node != &(information->object_list); node = node->next)
         {
             count ++;