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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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9
backends/tpm.c
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@ -27,7 +27,7 @@ static void tpm_backend_request_completed(void *opaque, int ret)
TPMBackend *s = TPM_BACKEND(opaque);
TPMIfClass *tic = TPM_IF_GET_CLASS(s->tpmif);
tic->request_completed(s->tpmif);
tic->request_completed(s->tpmif, ret);
/* no need for atomic, as long the BQL is taken */
s->cmd = NULL;
@ -38,8 +38,13 @@ static int tpm_backend_worker_thread(gpointer data)
{
TPMBackend *s = TPM_BACKEND(data);
TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
Error *err = NULL;
k->handle_request(s, s->cmd);
k->handle_request(s, s->cmd, &err);
if (err) {
error_report_err(err);
return -1;
}
return 0;
}