long state; /* internal state */
#define STATE_OPENED_FLAG BIT(0)
#define STATE_WAIT_RESPONSE_FLAG BIT(1) /* waiting for emulator response */
+#define STATE_REGISTERED_FLAG BIT(2)
size_t req_len; /* length of queued TPM request */
size_t resp_len; /* length of queued TPM response */
rc = tpm_chip_register(proxy_dev->chip);
if (rc)
- goto err;
-
- return;
-
-err:
- vtpm_proxy_fops_undo_open(proxy_dev);
+ vtpm_proxy_fops_undo_open(proxy_dev);
+ else
+ proxy_dev->state |= STATE_REGISTERED_FLAG;
}
/*
*/
vtpm_proxy_fops_undo_open(proxy_dev);
- tpm_chip_unregister(proxy_dev->chip);
+ if (proxy_dev->state & STATE_REGISTERED_FLAG)
+ tpm_chip_unregister(proxy_dev->chip);
vtpm_proxy_delete_proxy_dev(proxy_dev);
}