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Re: [PATCH 4/6] tpm: Drop unneeded code
From: |
Daniel Kiper |
Subject: |
Re: [PATCH 4/6] tpm: Drop unneeded code |
Date: |
Fri, 29 May 2020 13:44:50 +0200 |
User-agent: |
NeoMutt/20170113 (1.7.2) |
On Thu, May 28, 2020 at 09:22:34AM +0200, Javier Martinez Canillas wrote:
> On 5/25/20 9:02 PM, Daniel Kiper wrote:
> > Drop unused grub_tpm*_execute() and declaration of nonexistent
> > grub_tpm_init().
> >
> > Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
> > ---
>
> [snip]
>
> > -static grub_err_t
> > -grub_tpm2_execute (grub_efi_handle_t tpm_handle,
> > - PassThroughToTPM_InputParamBlock *inbuf,
> > - PassThroughToTPM_OutputParamBlock *outbuf)
> > -{
> > - grub_efi_status_t status;
> > - grub_efi_tpm2_protocol_t *tpm;
> > - grub_uint32_t inhdrsize = sizeof (*inbuf) - sizeof (inbuf->TPMOperandIn);
> > - grub_uint32_t outhdrsize =
> > - sizeof (*outbuf) - sizeof (outbuf->TPMOperandOut);
> > -
> > - tpm = grub_efi_open_protocol (tpm_handle, &tpm2_guid,
> > - GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
> > -
> > - if (!grub_tpm2_present (tpm))
> > - return 0;
> > -
> > - /* UEFI TPM protocol takes the raw operand block, no param block header.
> > */
> > - status = efi_call_5 (tpm->submit_command, tpm,
> > - inbuf->IPBLength - inhdrsize, inbuf->TPMOperandIn,
> > - outbuf->OPBLength - outhdrsize, outbuf->TPMOperandOut);
> > -
>
> I think this would be useful if we ever add support for sending TPM commands.
> But I agree that should be removed since is unused and can always be brought
> back from the git history if needed.
Yeah, I was thinking about mentioning something about this but later
forgot about it. I will add following clarification to the commit
message before pushing the patch:
If somebody needs the functionality implemented in the dropped code then
he/she can readd it later. Now it only increases the GRUB code/image size.
> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Thanks a lot for review!
Daniel
- [PATCH 0/6] GRUB: Bundle of various fixes and cleanups, Daniel Kiper, 2020/05/25
- [PATCH 2/6] net/http: Return an error on HTTP error responses, Daniel Kiper, 2020/05/25
- [PATCH 6/6] efi/tpm: Fix typo in grub_efi_tpm2_protocol struct, Daniel Kiper, 2020/05/25
- [PATCH 4/6] tpm: Drop unneeded code, Daniel Kiper, 2020/05/25
- [PATCH 1/6] grub-install: Fix inverted test for NLS enabled when copying locales, Daniel Kiper, 2020/05/25
- [PATCH 3/6] docs: Fix devicetree command description, Daniel Kiper, 2020/05/25
- [PATCH 5/6] i386/efi/init: Drop bogus include, Daniel Kiper, 2020/05/25