diff --git a/components/dfs/src/dfs_file.c b/components/dfs/src/dfs_file.c
index 802311b54e867c742799e8430563cb4177c60a89..fa0f6000b440cd0d94dc08f7da351d8221cd5c82 100644
--- a/components/dfs/src/dfs_file.c
+++ b/components/dfs/src/dfs_file.c
@@ -157,7 +157,7 @@ int dfs_file_ioctl(struct dfs_fd *fd, int cmd, void *args)
         return -EINVAL;
 
     /* regular file system fd */
-    if (fd->type == FT_REGULAR || fd->type == FT_DEVICE)
+    if (fd->type == FT_REGULAR)
     {
         switch (cmd)
         {