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Re: [Qemu-devel] [PATCH v4 1/8] tpm-backend: Remove unneeded member vari


From: Marc-André Lureau
Subject: Re: [Qemu-devel] [PATCH v4 1/8] tpm-backend: Remove unneeded member variable from backend class
Date: Wed, 24 May 2017 14:34:24 +0000

Hi

On Tue, May 16, 2017 at 12:00 PM Amarnath Valluri <
address@hidden> wrote:

> 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>
>

Please add & keep my r-b tags from previous iterations in commit message if
they are no or only minor changes.



> ---
>  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
>
>
> --
Marc-André Lureau


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