dtrace_dof_slurp
rv = dtrace_dof_slurp(dof, &state->dts_vstate, CRED(),
if ((rv = dtrace_dof_slurp(dof, vstate, NULL, &enab,
if (dtrace_dof_slurp(dof, vstate, cr, &enab, 0, B_TRUE) != 0) {