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From cac845f55b8f27e5c90e0f2e3dcbeea7013df67c Mon Sep 17 00:00:00 2001
From: Amarnath Valluri <amarnath.valluri@intel.com>
Date: Thu, 30 Mar 2017 15:55:17 +0300
Subject: [PATCH 03/12] tpm-backend: Remove unneeded member variable from
 backend class
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

TPMDriverOps inside TPMBackend is not required, as it is supposed to be a class
member. The only possible reason for keeping in TPMBackend was, to get the
backend type in tpm.c where dedicated backend api, tpm_backend_get_type() is
present.

Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

Upstream-Status: Backport [fb4b0c6765471dad2363875989e7661ca5f9a608]
---
 hw/tpm/tpm_passthrough.c     | 4 ----
 include/sysemu/tpm_backend.h | 1 -
 tpm.c                        | 2 +-
 3 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c
index 9234eb3459..a0baf5f080 100644
--- a/hw/tpm/tpm_passthrough.c
+++ b/hw/tpm/tpm_passthrough.c
@@ -46,8 +46,6 @@
 #define TPM_PASSTHROUGH(obj) \
     OBJECT_CHECK(TPMPassthruState, (obj), TYPE_TPM_PASSTHROUGH)
 
-static const TPMDriverOps tpm_passthrough_driver;
-
 /* data structures */
 typedef struct TPMPassthruThreadParams {
     TPMState *tpm_state;
@@ -462,8 +460,6 @@ static TPMBackend *tpm_passthrough_create(QemuOpts *opts, const char *id)
     /* let frontend set the fe_model to proper value */
     tb->fe_model = -1;
 
-    tb->ops = &tpm_passthrough_driver;
-
     if (tpm_passthrough_handle_device_opts(opts, tb)) {
         goto err_exit;
     }
diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h
index b0a9731aee..3708413035 100644
--- a/include/sysemu/tpm_backend.h
+++ b/include/sysemu/tpm_backend.h
@@ -50,7 +50,6 @@ struct TPMBackend {
     enum TpmModel fe_model;
     char *path;
     char *cancel_path;
-    const TPMDriverOps *ops;
 
     QLIST_ENTRY(TPMBackend) list;
 };
diff --git a/tpm.c b/tpm.c
index 2dbea70645..b7166ca200 100644
--- a/tpm.c
+++ b/tpm.c
@@ -212,7 +212,7 @@ static TPMInfo *qmp_query_tpm_inst(TPMBackend *drv)
     res->model = drv->fe_model;
     res->options = g_new0(TpmTypeOptions, 1);
 
-    switch (drv->ops->type) {
+    switch (tpm_backend_get_type(drv)) {
     case TPM_TYPE_PASSTHROUGH:
         res->options->type = TPM_TYPE_OPTIONS_KIND_PASSTHROUGH;
         tpo = g_new0(TPMPassthroughOptions, 1);
-- 
2.11.0