On Wed, Feb 01, 2017 at 01:17:34PM +0200, Jarkko Sakkinen wrote:
> On Wed, Feb 01, 2017 at 10:08:39AM +0200, Jarkko Sakkinen wrote:
> > On Tue, Jan 31, 2017 at 10:37:14PM +0200, Jarkko Sakkinen wrote:
> > > On Tue, Jan 31, 2017 at 01:43:59PM -0500, Stefan Berger wrote:
> > > > drivers/char/tpm/tpm-sysfs.c:161:25: warning: expression using sizeof
> > > > bool
> > > >
> > > > Fixes: c659af78eb7b ("tpm: Check size of response before accessing
> > > > data")
> > > > Signed-off-by: Stefan Berger <[email protected]>
> > > > ---
> > > > drivers/char/tpm/tpm.h | 2 +-
> > > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
> > > > index bff37be..6b4e7aa 100644
> > > > --- a/drivers/char/tpm/tpm.h
> > > > +++ b/drivers/char/tpm/tpm.h
> > > > @@ -281,7 +281,7 @@ struct permanent_flags_t {
> > > > typedef union {
> > > > struct permanent_flags_t perm_flags;
> > > > struct stclear_flags_t stclear_flags;
> > > > - bool owned;
> > > > + __u8 owned;
> > > > __be32 num_pcrs;
> > > > struct tpm_version_t tpm_version;
> > > > struct tpm_version_1_2_t tpm_version_1_2;
> > > > --
> > > > 2.4.3
> > >
> > > A better description would be:
> > >
> > > The field owned has wrong sized type. This commit fixes the
> > > issue.
> > >
> > > ?
> > >
> > > /Jarkko
> >
> > And doesn't owned print invalid results on a big endian system
> > i.e. 0x1000000? The commit message needs to be rewritten to capture
> > the problem.
>
> Please ignore this, the conversion is done in tpm_getcap(). I'll
> update the commit message.
Now I'm really tripping :( tpm_getcap() does not do any sort of
conversion. _Bool in gcc is one byte. Sorry about this. This is
purely a type error. The size is correct.
/Jarkko
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