FAIL_DUP_MOD_LOAD
err = module_patient_check_exists(mod->name, FAIL_DUP_MOD_LOAD);
test_bit(FAIL_DUP_MOD_LOAD, &mod_fail->dup_fail_mask))
if (test_bit(FAIL_DUP_MOD_LOAD, &mod_fail->dup_fail_mask))