fs/littlefs: Fix the bug of missing file types

Signed-off-by: zhouliang3 <[email protected]>

Author: DS-LK

fs/littlefs/lfs_vfs.c

@@ -1554,6 +1554,7 @@ static int littlefs_stat(FAR struct inode *mountpt, FAR const char *relpath,
           goto errout;
         }
 
+      ret = 0;
       memset(&attr, 0, sizeof(attr));
     }
 
@@ -1571,6 +1572,15 @@ static int littlefs_stat(FAR struct inode *mountpt, FAR const char *relpath,
   buf->st_blocks       = (buf->st_size + buf->st_blksize - 1) /
                          buf->st_blksize;
 
+  if (info.type == LFS_TYPE_REG)
+    {
+      buf->st_mode |= S_IFREG;
+    }
+  else
+    {
+      buf->st_mode |= S_IFDIR;
+    }
+
 errout:
   nxmutex_unlock(&fs->lock);
   return ret;
@@ -1605,6 +1615,7 @@ static int littlefs_chstat(FAR struct inode *mountpt,
           goto errout;
         }
 
+      ret = 0;
       memset(&attr, 0, sizeof(attr));
     }