LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Thiebaud Weksteen <tweek@google.com>
To: jgg@ziepe.ca
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
	Nayna Jain <nayna@linux.vnet.ibm.com>,
	linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/4] tpm: Add explicit endianness cast
Date: Tue, 17 Apr 2018 08:32:33 +0000	[thread overview]
Message-ID: <CA+zpnLdU=t6eOY9GOLAyiXkZBw=NueckiejHSexd8P7MKYuRww@mail.gmail.com> (raw)
In-Reply-To: <20180417030202.GA30624@ziepe.ca>

On Tue, Apr 17, 2018 at 5:02 AM Jason Gunthorpe <jgg@ziepe.ca> wrote:

> On Thu, Apr 12, 2018 at 12:13:47PM +0200, Thiebaud Weksteen wrote:
> > Signed-off-by: Thiebaud Weksteen <tweek@google.com>
> >  drivers/char/tpm/tpm_eventlog_of.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/char/tpm/tpm_eventlog_of.c
b/drivers/char/tpm/tpm_eventlog_of.c
> > index 96fd5646f866..d74568d58a66 100644
> > +++ b/drivers/char/tpm/tpm_eventlog_of.c
> > @@ -56,8 +56,8 @@ int tpm_read_log_of(struct tpm_chip *chip)
> >        * but physical tpm needs the conversion.
> >        */
> >       if (of_property_match_string(np, "compatible", "IBM,vtpm") < 0) {
> > -             size = be32_to_cpup(sizep);
> > -             base = be64_to_cpup(basep);
> > +             size = be32_to_cpup((__be32 *)sizep);
> > +             base = be64_to_cpup((__be64 *)basep);

> Er, no.. change the definitions of sizep and basep to be __be

> Jason

Please read the comment before the condition. sizep and
basep may contain either little endian or big endian and this block is used
to adjust that. Let me know if there is a better way for handling this.

  reply	other threads:[~2018-04-17  8:33 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-12 10:13 [PATCH v2 0/4] Refactor TPM event log code Thiebaud Weksteen
2018-04-12 10:13 ` [PATCH v2 1/4] tpm: Add explicit endianness cast Thiebaud Weksteen
2018-04-17  3:02   ` Jason Gunthorpe
2018-04-17  8:32     ` Thiebaud Weksteen [this message]
2018-04-17 14:00       ` Jason Gunthorpe
2018-04-19 13:09         ` Thiebaud Weksteen
2018-04-20 14:57           ` Jason Gunthorpe
2018-04-23  9:22             ` Thiebaud Weksteen
2018-04-23 10:06               ` Luc Van Oostenryck
2018-04-24  9:57                 ` Thiebaud Weksteen
2018-04-20  5:39   ` Jarkko Sakkinen
2018-04-12 10:13 ` [PATCH v2 2/4] tpm: Move eventlog files to a subdirectory Thiebaud Weksteen
2018-04-20  5:39   ` Jarkko Sakkinen
2018-05-07 20:36     ` Mimi Zohar
2018-05-09 14:51       ` Petr Vorel
2018-05-11  1:51         ` Mimi Zohar
2018-05-10  1:39       ` Jarkko Sakkinen
2018-04-12 10:13 ` [PATCH v2 3/4] tpm: Move shared eventlog functions to common.c Thiebaud Weksteen
2018-04-20  5:40   ` Jarkko Sakkinen
2018-04-12 10:13 ` [PATCH v2 4/4] tpm: Move eventlog declarations to its own header Thiebaud Weksteen
2018-04-20  5:40   ` Jarkko Sakkinen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CA+zpnLdU=t6eOY9GOLAyiXkZBw=NueckiejHSexd8P7MKYuRww@mail.gmail.com' \
    --to=tweek@google.com \
    --cc=jarkko.sakkinen@linux.intel.com \
    --cc=jgg@ziepe.ca \
    --cc=linux-integrity@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nayna@linux.vnet.ibm.com \
    --subject='Re: [PATCH v2 1/4] tpm: Add explicit endianness cast' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).