if (state->strm.workspace) vfree(state->strm.workspace);
vfree(state->strm.workspace);
static void z_comp_free(void *arg){	struct ppp_deflate_state *state = (struct ppp_deflate_state *) arg;	if (state) {		zlib_deflateEnd(&state->strm);		if (state->strm.workspace)			vfree(state->strm.workspace);		kfree(state);	}}