334 	ssize_t rc;  in tpm_transmit()  local
353 	rc = chip->ops->send(chip, (u8 *) buf, count);  in tpm_transmit()
354 	if (rc < 0) {  in tpm_transmit()
356 			"tpm_transmit: tpm_send: error %zd\n", rc);  in tpm_transmit()
375 			rc = -ECANCELED;  in tpm_transmit()
385 	rc = -ETIME;  in tpm_transmit()
389 	rc = chip->ops->recv(chip, (u8 *) buf, bufsiz);  in tpm_transmit()
390 	if (rc < 0)  in tpm_transmit()
392 			"tpm_transmit: tpm_recv: error %zd\n", rc);  in tpm_transmit()
395 	return rc;  in tpm_transmit()
437 	int rc;  in tpm_getcap()  local
455 	rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, desc);  in tpm_getcap()
456 	if (!rc)  in tpm_getcap()
458 	return rc;  in tpm_getcap()
464 	ssize_t rc;  in tpm_gen_interrupt()  local
471 	rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,  in tpm_gen_interrupt()
502 	ssize_t rc;  in tpm_get_timeouts()  local
508 	rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, NULL);  in tpm_get_timeouts()
510 	if (rc == TPM_ERR_INVALID_POSTINIT) {  in tpm_get_timeouts()
515 			return rc;  in tpm_get_timeouts()
521 		rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,  in tpm_get_timeouts()
524 	if (rc) {  in tpm_get_timeouts()
527 			rc);  in tpm_get_timeouts()
583 	rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,  in tpm_get_timeouts()
585 	if (rc)  in tpm_get_timeouts()
586 		return rc;  in tpm_get_timeouts()
635 	int rc;  in tpm_continue_selftest()  local
639 	rc = tpm_transmit_cmd(chip, &cmd, CONTINUE_SELFTEST_RESULT_SIZE,  in tpm_continue_selftest()
641 	return rc;  in tpm_continue_selftest()
654 	int rc;  in tpm_pcr_read_dev()  local
659 	rc = tpm_transmit_cmd(chip, &cmd, READ_PCR_RESULT_SIZE,  in tpm_pcr_read_dev()
662 	if (rc == 0)  in tpm_pcr_read_dev()
665 	return rc;  in tpm_pcr_read_dev()
678 	int rc;  in tpm_is_tpm2()  local
684 	rc = (chip->flags & TPM_CHIP_FLAG_TPM2) != 0;  in tpm_is_tpm2()
688 	return rc;  in tpm_is_tpm2()
706 	int rc;  in tpm_pcr_read()  local
712 		rc = tpm2_pcr_read(chip, pcr_idx, res_buf);  in tpm_pcr_read()
714 		rc = tpm_pcr_read_dev(chip, pcr_idx, res_buf);  in tpm_pcr_read()
716 	return rc;  in tpm_pcr_read()
741 	int rc;  in tpm_pcr_extend()  local
749 		rc = tpm2_pcr_extend(chip, pcr_idx, hash);  in tpm_pcr_extend()
751 		return rc;  in tpm_pcr_extend()
757 	rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,  in tpm_pcr_extend()
761 	return rc;  in tpm_pcr_extend()
775 	int rc;  in tpm_do_selftest()  local
785 	rc = tpm_continue_selftest(chip);  in tpm_do_selftest()
789 	if (rc)  in tpm_do_selftest()
790 		return rc;  in tpm_do_selftest()
796 		rc = tpm_transmit(chip, (u8 *) &cmd, READ_PCR_RESULT_SIZE);  in tpm_do_selftest()
800 		if (rc == -ETIME) {  in tpm_do_selftest()
806 		if (rc < TPM_HEADER_SIZE)  in tpm_do_selftest()
809 		rc = be32_to_cpu(cmd.header.out.return_code);  in tpm_do_selftest()
810 		if (rc == TPM_ERR_DISABLED || rc == TPM_ERR_DEACTIVATED) {  in tpm_do_selftest()
812 				 "TPM is disabled/deactivated (0x%X)\n", rc);  in tpm_do_selftest()
819 		if (rc != TPM_WARN_DOING_SELFTEST)  in tpm_do_selftest()
820 			return rc;  in tpm_do_selftest()
824 	return rc;  in tpm_do_selftest()
831 	int rc;  in tpm_send()  local
837 	rc = tpm_transmit_cmd(chip, cmd, buflen, "attempting tpm_cmd");  in tpm_send()
840 	return rc;  in tpm_send()
863 	long rc;  in wait_for_tpm_stat()  local
879 		rc = wait_event_interruptible_timeout(*queue,  in wait_for_tpm_stat()
883 		if (rc > 0) {  in wait_for_tpm_stat()
888 		if (rc == -ERESTARTSYS && freezing(current)) {  in wait_for_tpm_stat()
921 	int rc, try;  in tpm_pm_suspend()  local
939 		rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,  in tpm_pm_suspend()
946 		rc = tpm_transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, NULL);  in tpm_pm_suspend()
958 		if (rc != TPM_WARN_RETRY)  in tpm_pm_suspend()
963 	if (rc)  in tpm_pm_suspend()
965 			"Error (%d) sending savestate before suspend\n", rc);  in tpm_pm_suspend()
970 	return rc;  in tpm_pm_suspend()
1061 	int rc;  in tpm_seal_trusted()  local
1067 	rc = tpm2_seal_trusted(chip, payload, options);  in tpm_seal_trusted()
1070 	return rc;  in tpm_seal_trusted()
1087 	int rc;  in tpm_unseal_trusted()  local
1093 	rc = tpm2_unseal_trusted(chip, payload, options);  in tpm_unseal_trusted()
1096 	return rc;  in tpm_unseal_trusted()
1102 	int rc;  in tpm_init()  local
1110 	rc = alloc_chrdev_region(&tpm_devt, 0, TPM_NUM_DEVICES, "tpm");  in tpm_init()
1111 	if (rc < 0) {  in tpm_init()
1114 		return rc;  in tpm_init()