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[Qemu-devel] [PATCH 1/7] tpm-backend: Remove unneeded member variable fr


From: Amarnath Valluri
Subject: [Qemu-devel] [PATCH 1/7] tpm-backend: Remove unneeded member variable from backend class
Date: Fri, 31 Mar 2017 16:10:10 +0300

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 <address@hidden>
---
 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 9234eb3..a0baf5f 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 b58f52d..e7f590d 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 9a7c711..0ee021a 100644
--- a/tpm.c
+++ b/tpm.c
@@ -258,7 +258,7 @@ 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);
-- 
2.7.4




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