Hi Stefan,

On 7/7/20 6:05 AM, Stefan Berger wrote:
> Exit on TPM backend failures in the same way as the TPM CRB and TIS device
> models do.

Maybe the other models are not the best examples ;)

> 
> Signed-off-by: Stefan Berger <stef...@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_BUFFER_MAX);
>  
>      tpm_backend_reset(s->be_driver);
> -    tpm_spapr_do_startup_tpm(s, s->be_buffer_size);
> +
> +    if (tpm_spapr_do_startup_tpm(s, s->be_buffer_size) < 0) {

I don't see error reported, how users can know the cause of the exit?

> +        exit(1);

What about using this instead?

           qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_ERROR);

> +    }
>  }
>  
>  static enum TPMVersion tpm_spapr_get_version(TPMIf *ti)
> 


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