char/tpm/tpm2-space.c

77 	int rc;
79 	rc = tpm_buf_init(&tbuf, TPM2_ST_NO_SESSIONS, TPM2_CC_CONTEXT_LOAD);
80 	if (rc)
81 		return rc;
87 	rc = tpm_transmit_cmd(chip, &tbuf, 4, NULL);
88 	if (rc < 0) {
90 			 __func__, rc);
93 	} else if (tpm2_rc_value(rc) == TPM2_RC_HANDLE ||
94 		   rc == TPM2_RC_REFERENCE_H0) {
108 	} else if (rc > 0) {
110 			 __func__, rc);
127 	int rc;
129 	rc = tpm_buf_init(&tbuf, TPM2_ST_NO_SESSIONS, TPM2_CC_CONTEXT_SAVE);
130 	if (rc)
131 		return rc;
135 	rc = tpm_transmit_cmd(chip, &tbuf, 0, NULL);
136 	if (rc < 0) {
138 			 __func__, rc);
141 	} else if (tpm2_rc_value(rc) == TPM2_RC_REFERENCE_H0) {
144 	} else if (rc) {
146 			 __func__, rc);
181 	int rc;
193 		rc = tpm2_load_context(chip, space->context_buf, &offset,
195 		if (rc)
196 			return rc;
205 		rc = tpm2_load_context(chip, space->session_buf,
207 		if (rc == -ENOENT) {
210 		} else if (rc) {
212 			return rc;
303 	int rc;
322 	rc = tpm2_load_space(chip);
323 	if (rc) {
325 		return rc;
328 	rc = tpm2_map_command(chip, cc, cmd);
329 	if (rc) {
331 		return rc;
496 	int rc;
502 		rc = tpm2_save_context(chip, space->context_tbl[i],
505 		if (rc == -ENOENT) {
508 		} else if (rc)
509 			return rc;
519 		rc = tpm2_save_context(chip, space->session_tbl[i],
522 		if (rc == -ENOENT) {
525 		} else if (rc < 0) {
527 			return rc;
538 	int rc;
543 	rc = tpm2_map_response_header(chip, chip->last_cc, buf, *bufsiz);
544 	if (rc) {
549 	rc = tpm2_map_response_body(chip, chip->last_cc, buf, *bufsiz);
550 	if (rc) {
555 	rc = tpm2_save_space(chip);
556 	if (rc) {
574 	dev_err(&chip->dev, "%s: error %d\n", __func__, rc);
575 	return rc;
605 	int rc;
622 	rc = dev_set_name(&chip->devs, "tpmrm%d", chip->dev_num);
623 	if (rc)
626 	rc = cdev_device_add(&chip->cdevs, &chip->devs);
627 	if (rc) {
631 			MINOR(chip->devs.devt), rc);
640 	return rc;