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tpm: report backend request error

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Use an Error** for request to let the caller handle error reporting.

This will also allow to inform the frontend of a backend error.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This commit is contained in:
Marc-André Lureau 2018-01-29 19:33:06 +01:00 • committed by Stefan Berger
parent c4fb8561bc
commit 6a8a23549a
6 changed files with 33 additions and 36 deletions
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3
hw/tpm/tpm_tis.c
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@ -393,7 +393,7 @@ static void tpm_tis_prep_abort(TPMState *s, uint8_t locty, uint8_t newlocty)
/*
* Callback from the TPM to indicate that the response was received.
*/
static void tpm_tis_request_completed(TPMIf *ti)
static void tpm_tis_request_completed(TPMIf *ti, int ret)
{
TPMState *s = TPM(ti);
uint8_t locty = s->cmd.locty;
@ -405,6 +405,7 @@ static void tpm_tis_request_completed(TPMIf *ti)
}
}
/* FIXME: report error if ret != 0 */
tpm_tis_sts_set(&s->loc[locty],
TPM_TIS_STS_VALID | TPM_TIS_STS_DATA_AVAILABLE);
s->loc[locty].state = TPM_TIS_STATE_COMPLETION;