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Groups > linux.kernel > #1571066 > unrolled thread
| Started by | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> |
|---|---|
| First post | 2017-01-31 21:40 +0100 |
| Last post | 2017-02-01 13:10 +0100 |
| Articles | 4 — 1 participant |
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Re: [PATCH] tpm: fix a sparse error in tpm-sysfs.c Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-31 21:40 +0100
Re: [tpmdd-devel] [PATCH] tpm: fix a sparse error in tpm-sysfs.c Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 09:10 +0100
Re: [tpmdd-devel] [PATCH] tpm: fix a sparse error in tpm-sysfs.c Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 12:20 +0100
Re: [tpmdd-devel] [PATCH] tpm: fix a sparse error in tpm-sysfs.c Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-02-01 13:10 +0100
| From | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> |
|---|---|
| Date | 2017-01-31 21:40 +0100 |
| Subject | Re: [PATCH] tpm: fix a sparse error in tpm-sysfs.c |
| Message-ID | <t5NnA-5bA-21@gated-at.bofh.it> |
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 <stefanb@linux.vnet.ibm.com>
> ---
> 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
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| From | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> |
|---|---|
| Date | 2017-02-01 09:10 +0100 |
| Subject | Re: [tpmdd-devel] [PATCH] tpm: fix a sparse error in tpm-sysfs.c |
| Message-ID | <t5Y9j-3lP-9@gated-at.bofh.it> |
| In reply to | #1571066 |
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 <stefanb@linux.vnet.ibm.com>
> > ---
> > 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.
/Jarkko
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| From | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> |
|---|---|
| Date | 2017-02-01 12:20 +0100 |
| Subject | Re: [tpmdd-devel] [PATCH] tpm: fix a sparse error in tpm-sysfs.c |
| Message-ID | <t617c-5dk-13@gated-at.bofh.it> |
| In reply to | #1571311 |
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 <stefanb@linux.vnet.ibm.com>
> > > ---
> > > 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.
/Jarkko
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| From | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> |
|---|---|
| Date | 2017-02-01 13:10 +0100 |
| Subject | Re: [tpmdd-devel] [PATCH] tpm: fix a sparse error in tpm-sysfs.c |
| Message-ID | <t61Tz-5O1-5@gated-at.bofh.it> |
| In reply to | #1571490 |
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 <stefanb@linux.vnet.ibm.com>
> > > > ---
> > > > 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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