xfrm_state_delete
int xfrm_state_delete(struct xfrm_state *x);
xfrm_state_delete(*(states + i));
err = xfrm_state_delete(x);
xfrm_state_delete(x1);
xfrm_state_delete(x1);
xfrm_state_delete(t);
EXPORT_SYMBOL(xfrm_state_delete);
err = xfrm_state_delete(x);
err = xfrm_state_delete(x);
err = xfrm_state_delete(x);