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[PATCH v3 1/2] tpm: tpm_spapr: Exit on TPM backend failures

From: Stefan Berger
Subject: [PATCH v3 1/2] tpm: tpm_spapr: Exit on TPM backend failures
Date: Tue, 7 Jul 2020 16:16:24 -0400

Exit on TPM backend failures in the same way as the TPM CRB and TIS device
models do. With this change we now get an error report when the backend
did not start up properly:

error: internal error: qemu unexpectedly closed the monitor:
2020-07-07T12:49:28.333928Z qemu-system-ppc64: tpm-emulator: \
  TPM result for CMD_INIT: 0x101 operation failed

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
 hw/tpm/tpm_spapr.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/hw/tpm/tpm_spapr.c b/hw/tpm/tpm_spapr.c
index cb4dfd1e6a..8288ab0a15 100644
--- a/hw/tpm/tpm_spapr.c
+++ b/hw/tpm/tpm_spapr.c
@@ -306,7 +306,10 @@ static void tpm_spapr_reset(SpaprVioDevice *dev)
-    tpm_spapr_do_startup_tpm(s, s->be_buffer_size);
+    if (tpm_spapr_do_startup_tpm(s, s->be_buffer_size) < 0) {
+        exit(1);
+    }
 static enum TPMVersion tpm_spapr_get_version(TPMIf *ti)

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