diff options
author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2017-11-06 19:39:00 +0100 |
---|---|---|
committer | Stefan Berger <stefanb@linux.vnet.ibm.com> | 2017-12-14 23:39:13 -0500 |
commit | 8a89c9ac15981c2d15ce4ee6d6ad67da58824a04 (patch) | |
tree | 0934508cd312e375675a7977026be1d77dc346d3 /hw/tpm | |
parent | 67af320cd653a107c0bbdf0d2e6c51b24403c64d (diff) |
tpm-backend: store TPMIf interface, improve backend_init()
Store the TPM interface, the actual object may be different from
TPMState. Keep a reference on the interface, and check the backend
wasn't already initialized.
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>
Diffstat (limited to 'hw/tpm')
-rw-r--r-- | hw/tpm/tpm_emulator.c | 4 | ||||
-rw-r--r-- | hw/tpm/tpm_passthrough.c | 4 | ||||
-rw-r--r-- | hw/tpm/tpm_tis.c | 2 |
3 files changed, 5 insertions, 5 deletions
diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c index e1a68104d6..5f88975c25 100644 --- a/hw/tpm/tpm_emulator.c +++ b/hw/tpm/tpm_emulator.c @@ -186,7 +186,7 @@ static int tpm_emulator_set_locality(TPMEmulator *tpm_emu, uint8_t locty_number, static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) { TPMEmulator *tpm_emu = TPM_EMULATOR(tb); - TPMIfClass *tic = TPM_IF_GET_CLASS(tb->tpm_state); + TPMIfClass *tic = TPM_IF_GET_CLASS(tb->tpmif); Error *err = NULL; DPRINTF("processing TPM command"); @@ -201,7 +201,7 @@ static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) goto error; } - tic->request_completed(TPM_IF(tb->tpm_state)); + tic->request_completed(tb->tpmif); return; error: diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c index c440aff4b2..2ad74badca 100644 --- a/hw/tpm/tpm_passthrough.c +++ b/hw/tpm/tpm_passthrough.c @@ -139,14 +139,14 @@ err_exit: static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) { TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb); - TPMIfClass *tic = TPM_IF_GET_CLASS(tb->tpm_state); + TPMIfClass *tic = TPM_IF_GET_CLASS(tb->tpmif); DPRINTF("tpm_passthrough: processing command %p\n", cmd); tpm_passthrough_unix_tx_bufs(tpm_pt, cmd->in, cmd->in_len, cmd->out, cmd->out_len, &cmd->selftest_done); - tic->request_completed(TPM_IF(tb->tpm_state)); + tic->request_completed(tb->tpmif); } static void tpm_passthrough_reset(TPMBackend *tb) diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c index 880ca1a572..9a2360e250 100644 --- a/hw/tpm/tpm_tis.c +++ b/hw/tpm/tpm_tis.c @@ -1082,7 +1082,7 @@ static void tpm_tis_realizefn(DeviceState *dev, Error **errp) s->be_driver->fe_model = TPM_MODEL_TPM_TIS; - if (tpm_backend_init(s->be_driver, s)) { + if (tpm_backend_init(s->be_driver, TPM_IF(s))) { error_setg(errp, "tpm_tis: backend driver with id %s could not be " "initialized", s->backend); return; |