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[Qemu-devel] [PULL v1 24/32] tpm-tis: check that at most one TPM device
From: |
Stefan Berger |
Subject: |
[Qemu-devel] [PULL v1 24/32] tpm-tis: check that at most one TPM device exists |
Date: |
Sat, 16 Dec 2017 12:41:41 -0500 |
From: Marc-André Lureau <address@hidden>
Signed-off-by: Marc-André Lureau <address@hidden>
Reviewed-by: Stefan Berger <address@hidden>
Signed-off-by: Stefan Berger <address@hidden>
---
hw/tpm/tpm_tis.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 0a23203..db101b6 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -1061,6 +1061,11 @@ static void tpm_tis_realizefn(DeviceState *dev, Error
**errp)
{
TPMState *s = TPM(dev);
+ if (!tpm_find()) {
+ error_setg(errp, "at most one TPM device is permitted");
+ return;
+ }
+
s->be_driver = qemu_find_tpm_be(s->backend);
if (!s->be_driver) {
error_setg(errp, "backend driver with id %s could not be found",
--
2.5.5
- [Qemu-devel] [PULL v1 16/32] tpm-tis: simplify header inclusion, (continued)
- [Qemu-devel] [PULL v1 16/32] tpm-tis: simplify header inclusion, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 20/32] tpm: add tpm_cmd_get_size() to tpm_util, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 19/32] tpm: add TPM interface to lookup TPM version, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 21/32] acpi: change TPM TIS data conditions, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 22/32] tpm-emulator: add a FIXME comment about blocking cancel, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 23/32] tpm-tis: remove redundant 'tpm_tis:' in error messages, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 25/32] qdev: add DEFINE_PROP_TPMBE, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 24/32] tpm-tis: check that at most one TPM device exists,
Stefan Berger <=
- [Qemu-devel] [PULL v1 26/32] tpm-tis: use DEFINE_PROP_TPMBE, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 27/32] tpm: remove tpm_register_model(), Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 30/32] tpm: tpm_passthrough: Read the buffer size from the host device, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 28/32] tpm: Move getting TPM buffer size to backends, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 29/32] tpm: pull tpm_util_request() out of tpm_util_test(), Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 31/32] tpm: tpm_emulator: get and set buffer size of device, Stefan Berger, 2017/12/16
- [Qemu-devel] [PULL v1 32/32] tpm: tpm_passthrough: Fail startup if FE buffer size < BE buffer size, Stefan Berger, 2017/12/16
- Re: [Qemu-devel] [PULL v1 00/32] Merge tpm 2017/12/15, Peter Maydell, 2017/12/17