SMB_TREE_STATE_DISCONNECTING
if (of->f_tree->t_state == SMB_TREE_STATE_DISCONNECTING)
case SMB_TREE_STATE_DISCONNECTING:
tree->t_state = SMB_TREE_STATE_DISCONNECTING;
case SMB_TREE_STATE_DISCONNECTING:
tree->t_state = SMB_TREE_STATE_DISCONNECTING;