Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1367855

Re: [PATCH] tpm: remove redundant code from self-test functions

From Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH] tpm: remove redundant code from self-test functions
Date 2016-03-31 08:40 +0200
Message-ID <riEqT-P8-29@gated-at.bofh.it> (permalink)
References <riom6-60u-3@gated-at.bofh.it> <riDEu-cW-3@gated-at.bofh.it>
Organization Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

Show all headers | View raw


On Wed, Mar 30, 2016 at 11:46:23PM -0600, Jason Gunthorpe wrote:
> On Wed, Mar 30, 2016 at 04:20:45PM +0300, Jarkko Sakkinen wrote:
>   
> > -		rc = be32_to_cpu(cmd.header.out.return_code);
> >  		if (rc == TPM_ERR_DISABLED || rc == TPM_ERR_DEACTIVATED) {
> 
> This line is the entire reason it is open coded, I see it being
> removed, but I don't see how the functionality is maintained?

When tpm_trance_cmd() returns a positive number it is the TPM error code
that it returns. tpm_pcr_read() does pass through whatever
tpm_trace_cmd() returns so the above condition should still work as
expected.

> Jason

/Jarkko

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH] tpm: remove redundant code from self-test functions Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-03-30 15:30 +0200
  Re: [PATCH] tpm: remove redundant code from self-test functions Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-03-30 15:30 +0200
  Re: [PATCH] tpm: remove redundant code from self-test functions Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2016-03-31 07:50 +0200
    Re: [PATCH] tpm: remove redundant code from self-test functions Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-03-31 08:40 +0200
      Re: [PATCH] tpm: remove redundant code from self-test functions Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2016-04-02 05:20 +0200

csiph-web