drivers/nvdimm/security.c

142 	int rc;
154 	rc = nvdimm->sec.ops->change_key(nvdimm, data, data, NVDIMM_USER);
155 	if (rc < 0) {
157 		return rc;
171 	int rc;
208 	rc = nvdimm->sec.ops->unlock(nvdimm, data);
210 			rc == 0 ? "success" : "fail");
211 	if (rc == 0)
216 	return rc;
222 	int rc;
225 	rc = __nvdimm_security_unlock(nvdimm);
227 	return rc;
254 	int rc;
269 	rc = check_security_state(nvdimm);
270 	if (rc)
271 		return rc;
279 		rc = nvdimm->sec.ops->disable_master(nvdimm, data);
281 			rc == 0 ? "success" : "fail");
283 		rc = nvdimm->sec.ops->disable(nvdimm, data);
285 			rc == 0 ? "success" : "fail");
293 	return rc;
303 	int rc;
313 	rc = check_security_state(nvdimm);
314 	if (rc)
315 		return rc;
329 	rc = nvdimm->sec.ops->change_key(nvdimm, data, newdata, pass_type);
333 			rc == 0 ? "success" : "fail");
343 	return rc;
352 	int rc;
362 	rc = check_security_state(nvdimm);
363 	if (rc)
364 		return rc;
378 	rc = nvdimm->sec.ops->erase(nvdimm, data, pass_type);
379 	if (rc == 0)
383 			rc == 0 ? "success" : "fail");
387 	return rc;
395 	int rc;
405 	rc = check_security_state(nvdimm);
406 	if (rc)
407 		return rc;
414 	rc = nvdimm->sec.ops->overwrite(nvdimm, data);
415 	if (rc == 0)
418 			rc == 0 ? "success" : "fail");
421 	if (rc == 0) {
433 	return rc;
439 	int rc;
458 	rc = nvdimm->sec.ops->query_overwrite(nvdimm);
459 	if (rc == -EBUSY) {
468 	if (rc < 0)
524 	ssize_t rc;
530 	rc = sscanf(buf, "%"__stringify(SEC_CMD_SIZE)"s"
534 	if (rc < 1)
542 		rc = kstrtouint(keystr, 0, &key);
543 	if (rc >= 0 && ops[i].args > 2)
544 		rc = kstrtouint(nkeystr, 0, &newkey);
545 	if (rc < 0)
546 		return rc;
550 		rc = nvdimm_security_freeze(nvdimm);
553 		rc = security_disable(nvdimm, key, NVDIMM_USER);
556 		rc = security_disable(nvdimm, key, NVDIMM_MASTER);
559 		rc = security_update(nvdimm, key, newkey, i == OP_UPDATE
567 		rc = security_erase(nvdimm, key, i == OP_ERASE
575 		rc = security_overwrite(nvdimm, key);
579 	if (rc == 0)
580 		rc = len;
581 	return rc;