Commit 51a837e9 authored by Marc-André Lureau's avatar Marc-André Lureau Committed by Stefan Berger
Browse files

tpm-tis: check that at most one TPM device exists 



Signed-off-by: default avatarMarc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: default avatarStefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: default avatarStefan Berger <stefanb@linux.vnet.ibm.com>
parent c87b35fa

hw/tpm/tpm_tis.c

+5 −0
Original line number Diff line number Diff line
@@ -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",