From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: SF Markus Elfring <elfring@users.sourceforge.net>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: "Julia Lawall" <julia.lawall@lip6.fr>,
"Alexander Steffen" <Alexander.Steffen@infineon.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Corentin Labbe" <clabbe.montjoie@gmail.com>,
"Jarkko Sakkinen" <jarkko.sakkinen@linux.intel.com>,
"Jason Gunthorpe" <jgunthorpe@obsidianresearch.com>,
"Jerry Snitselaar" <jsnitsel@redhat.com>,
"Kenneth Goldman" <kgold@linux.vnet.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nayna Jain" <nayna@linux.vnet.ibm.com>,
"Paul Mackerras" <paulus@samba.org>,
"Peter Hüwe" <PeterHuewe@gmx.de>,
"Stefan Berger" <stefanb@linux.vnet.ibm.com>
Subject: Re: char/tpm: Improve a size determination in nine functions
Date: Tue, 17 Oct 2017 19:36:57 +0000 [thread overview]
Message-ID: <1508269017.16112.492.camel@linux.intel.com> (raw)
In-Reply-To: <9689f036-ba9f-d23b-cf89-c289bc308771@users.sourceforge.net>
On Tue, 2017-10-17 at 20:41 +0200, SF Markus Elfring wrote:
> > > p = kmalloc(sizeof(*p), ...);
> > >
> > > The alternative form where struct name is spelled out hurts
> > > readability and
> > > introduces an opportunity for a bug when the pointer variable type
> > > is changed
> > > but the corresponding sizeof that is passed to a memory allocator
> > > is not.
> >
> > before patches are upstreamed?
>
> I imagine that a corresponding source code analysis variant could be
> applied
> in more cases if sufficient acceptance could be achieved.
So, then instead of still keeping people busy with this noise you better
start doing something like CI integration with that for *new* code?
I'm pretty sure you may also exercise your achievements on
drivers/staging where it would be honored.
Have you talked to Fengguang (0-day LKP)? Have you talked to Arnd (I
think he is related to kernel-ci)?
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: SF Markus Elfring <elfring@users.sourceforge.net>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: "Julia Lawall" <julia.lawall@lip6.fr>,
"Alexander Steffen" <Alexander.Steffen@infineon.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Corentin Labbe" <clabbe.montjoie@gmail.com>,
"Jarkko Sakkinen" <jarkko.sakkinen@linux.intel.com>,
"Jason Gunthorpe" <jgunthorpe@obsidianresearch.com>,
"Jerry Snitselaar" <jsnitsel@redhat.com>,
"Kenneth Goldman" <kgold@linux.vnet.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nayna Jain" <nayna@linux.vnet.ibm.com>,
"Paul Mackerras" <paulus@samba.org>,
"Peter Hüwe" <PeterHuewe@gmx.de>,
"Stefan Berger" <stefanb@linux.vnet.ibm.com>
Subject: Re: char/tpm: Improve a size determination in nine functions
Date: Tue, 17 Oct 2017 22:36:57 +0300 [thread overview]
Message-ID: <1508269017.16112.492.camel@linux.intel.com> (raw)
In-Reply-To: <9689f036-ba9f-d23b-cf89-c289bc308771@users.sourceforge.net>
On Tue, 2017-10-17 at 20:41 +0200, SF Markus Elfring wrote:
> > > p = kmalloc(sizeof(*p), ...);
> > >
> > > The alternative form where struct name is spelled out hurts
> > > readability and
> > > introduces an opportunity for a bug when the pointer variable type
> > > is changed
> > > but the corresponding sizeof that is passed to a memory allocator
> > > is not.
> >
> > before patches are upstreamed?
>
> I imagine that a corresponding source code analysis variant could be
> applied
> in more cases if sufficient acceptance could be achieved.
So, then instead of still keeping people busy with this noise you better
start doing something like CI integration with that for *new* code?
I'm pretty sure you may also exercise your achievements on
drivers/staging where it would be honored.
Have you talked to Fengguang (0-day LKP)? Have you talked to Arnd (I
think he is related to kernel-ci)?
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
next prev parent reply other threads:[~2017-10-17 19:36 UTC|newest]
Thread overview: 217+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-16 17:30 [PATCH 0/4] char-TPM: Adjustments for ten function implementations SF Markus Elfring
2017-10-16 17:30 ` SF Markus Elfring
2017-10-16 17:31 ` [PATCH 1/4] char/tpm: Delete an error message for a failed memory allocation in tpm_ascii_bios_measu SF Markus Elfring
2017-10-16 17:31 ` [PATCH 1/4] char/tpm: Delete an error message for a failed memory allocation in tpm_ascii_bios_measurements_show() SF Markus Elfring
2017-10-16 17:32 ` [PATCH 2/4] char/tpm: Delete an error message for a failed memory allocation in tpm_ibmvtpm_probe() SF Markus Elfring
2017-10-16 17:32 ` SF Markus Elfring
2017-10-16 17:33 ` [PATCH 3/4] char/tpm: Improve a size determination in nine functions SF Markus Elfring
2017-10-16 17:33 ` SF Markus Elfring
2017-10-17 11:03 ` Andy Shevchenko
2017-10-17 11:03 ` Andy Shevchenko
2017-10-17 11:50 ` Alexander.Steffen
2017-10-17 11:50 ` Alexander.Steffen
2017-10-17 11:50 ` Alexander.Steffen
2017-10-17 12:52 ` Mimi Zohar
2017-10-17 12:52 ` Mimi Zohar
2017-10-17 12:52 ` Mimi Zohar
2017-10-17 12:58 ` Julia Lawall
2017-10-17 12:58 ` Julia Lawall
2017-10-17 12:58 ` Julia Lawall
2017-10-17 15:17 ` Mimi Zohar
2017-10-17 15:17 ` Mimi Zohar
2017-10-17 15:17 ` Mimi Zohar
2017-10-17 15:29 ` Julia Lawall
2017-10-17 15:29 ` Julia Lawall
2017-10-17 15:29 ` Julia Lawall
2017-10-18 9:16 ` Alexander.Steffen
2017-10-18 9:16 ` Alexander.Steffen
2017-10-18 9:16 ` Alexander.Steffen
2017-10-18 9:16 ` Alexander.Steffen
2017-10-17 18:41 ` SF Markus Elfring
2017-10-17 18:41 ` SF Markus Elfring
2017-10-17 18:41 ` SF Markus Elfring
2017-10-17 19:28 ` Mimi Zohar
2017-10-17 19:28 ` Mimi Zohar
2017-10-17 19:28 ` Mimi Zohar
2017-10-17 20:04 ` SF Markus Elfring
2017-10-17 20:04 ` SF Markus Elfring
2017-10-17 20:04 ` SF Markus Elfring
2017-10-17 19:36 ` Andy Shevchenko [this message]
2017-10-17 19:36 ` Andy Shevchenko
2017-10-17 20:24 ` SF Markus Elfring
2017-10-17 20:24 ` SF Markus Elfring
2017-10-18 14:57 ` Jarkko Sakkinen
2017-10-18 14:57 ` Jarkko Sakkinen
2017-10-18 14:57 ` Jarkko Sakkinen
2017-10-18 15:22 ` SF Markus Elfring
2017-10-18 15:22 ` SF Markus Elfring
2017-10-18 15:22 ` SF Markus Elfring
2017-10-18 15:59 ` Jarkko Sakkinen
2017-10-18 15:59 ` Jarkko Sakkinen
2017-10-18 15:59 ` Jarkko Sakkinen
2017-10-18 16:43 ` SF Markus Elfring
2017-10-18 16:43 ` SF Markus Elfring
2017-10-18 16:43 ` SF Markus Elfring
2017-10-18 17:18 ` Jarkko Sakkinen
2017-10-18 17:18 ` Jarkko Sakkinen
2017-10-18 17:18 ` Jarkko Sakkinen
2017-10-18 17:22 ` Jarkko Sakkinen
2017-10-18 17:22 ` Jarkko Sakkinen
2017-10-18 17:22 ` Jarkko Sakkinen
2017-10-18 17:54 ` SF Markus Elfring
2017-10-18 17:54 ` SF Markus Elfring
2017-10-18 17:48 ` SF Markus Elfring
2017-10-18 17:48 ` SF Markus Elfring
2017-10-18 17:48 ` SF Markus Elfring
2017-10-18 17:54 ` Jerry Snitselaar
2017-10-18 17:54 ` Jerry Snitselaar
2017-10-18 17:54 ` Jerry Snitselaar
2017-10-18 18:11 ` char/tpm: Delete an error message for a failed memory =?UTF-8?B?IGFsbG9jYXRpb24gaW4g SF Markus Elfring
2017-10-18 18:11 ` char/tpm: Delete an error message for a failed memory allocation in tpm_…() SF Markus Elfring
2017-10-18 18:11 ` SF Markus Elfring
2017-10-18 18:03 ` char/tpm: Improve a size determination in nine functions Andy Shevchenko
2017-10-18 18:03 ` Andy Shevchenko
2017-10-19 12:04 ` Michal Suchánek
2017-10-19 12:04 ` Michal Suchánek
2017-10-19 12:16 ` Jarkko Sakkinen
2017-10-19 12:16 ` Jarkko Sakkinen
2017-10-19 12:16 ` Jarkko Sakkinen
2017-10-17 13:02 ` [PATCH 3/4] " Andy Shevchenko
2017-10-17 13:02 ` Andy Shevchenko
2017-10-18 14:52 ` Jarkko Sakkinen
2017-10-18 14:52 ` Jarkko Sakkinen
2017-10-17 15:22 ` Alexander.Steffen
2017-10-17 15:22 ` Alexander.Steffen
2017-10-17 15:22 ` Alexander.Steffen
2017-10-17 15:22 ` Alexander.Steffen
2017-10-18 14:48 ` Jarkko Sakkinen
2017-10-18 14:48 ` Jarkko Sakkinen
2017-10-19 16:58 ` Alexander.Steffen
2017-10-19 16:58 ` Alexander.Steffen
2017-10-19 16:58 ` Alexander.Steffen
2017-10-20 9:01 ` Jarkko Sakkinen
2017-10-20 9:01 ` Jarkko Sakkinen
2017-10-20 10:23 ` Jarkko Sakkinen
2017-10-20 10:23 ` Jarkko Sakkinen
2017-10-20 12:03 ` Alexander.Steffen
2017-10-20 12:03 ` Alexander.Steffen
2017-10-20 12:03 ` Alexander.Steffen
2017-10-23 13:20 ` Dan Carpenter
2017-10-23 13:20 ` Dan Carpenter
2017-10-18 14:40 ` Jarkko Sakkinen
2017-10-18 14:40 ` Jarkko Sakkinen
2017-10-16 17:34 ` [PATCH 4/4] char/tpm: Less checks in tpm_ibmvtpm_probe() after error detection SF Markus Elfring
2017-10-16 17:34 ` SF Markus Elfring
2017-10-19 11:56 ` Michal Suchánek
2017-10-19 11:56 ` Michal Suchánek
2017-10-19 12:36 ` SF Markus Elfring
2017-10-19 12:36 ` SF Markus Elfring
2017-10-19 12:46 ` Michal Suchánek
2017-10-19 12:46 ` Michal Suchánek
2017-10-19 14:26 ` Dan Carpenter
2017-10-19 14:26 ` Dan Carpenter
2017-10-19 13:36 ` Dan Carpenter
2017-10-19 13:36 ` Dan Carpenter
2017-10-19 13:36 ` Dan Carpenter
2017-10-19 14:16 ` Michal Suchánek
2017-10-19 14:16 ` Michal Suchánek
2017-10-19 14:16 ` Michal Suchánek
2017-10-19 14:16 ` Michal Suchánek
2017-10-19 14:59 ` Dan Carpenter
2017-10-19 14:59 ` Dan Carpenter
2017-10-19 14:59 ` Dan Carpenter
2017-10-19 20:44 ` SF Markus Elfring
2017-10-19 20:44 ` SF Markus Elfring
2017-10-19 20:44 ` SF Markus Elfring
2017-10-16 18:31 ` [PATCH 0/4] char-TPM: Adjustments for ten function implementations Jarkko Sakkinen
2017-10-16 18:31 ` Jarkko Sakkinen
2017-10-16 18:35 ` Jarkko Sakkinen
2017-10-16 18:35 ` Jarkko Sakkinen
2017-10-16 20:44 ` SF Markus Elfring
2017-10-16 20:44 ` SF Markus Elfring
2017-10-18 15:04 ` Jarkko Sakkinen
2017-10-18 15:04 ` Jarkko Sakkinen
2017-10-18 15:43 ` SF Markus Elfring
2017-10-18 15:43 ` SF Markus Elfring
2017-10-18 15:43 ` SF Markus Elfring
2017-10-16 22:46 ` [PATCH 0/4] " Joe Perches
2017-10-16 22:46 ` Joe Perches
2017-10-17 7:20 ` SF Markus Elfring
2017-10-17 7:20 ` SF Markus Elfring
2017-10-17 8:51 ` Dan Carpenter
2017-10-17 8:51 ` Dan Carpenter
2017-10-17 8:56 ` Julia Lawall
2017-10-17 8:56 ` Julia Lawall
2017-10-17 9:44 ` Dan Carpenter
2017-10-17 9:44 ` Dan Carpenter
2017-10-17 10:11 ` Julia Lawall
2017-10-17 10:11 ` Julia Lawall
2017-10-17 11:52 ` Mimi Zohar
2017-10-17 11:52 ` Mimi Zohar
2017-10-17 11:52 ` Mimi Zohar
2017-10-18 3:18 ` Michael Ellerman
2017-10-18 3:18 ` Michael Ellerman
2017-10-19 13:16 ` Mimi Zohar
2017-10-19 13:16 ` Mimi Zohar
2017-10-19 16:08 ` Circumstances for using the tag “Fixes” (or not) SF Markus Elfring
2017-10-19 16:08 ` SF Markus Elfring
2017-10-17 12:26 ` [PATCH 0/4] char-TPM: Adjustments for ten function implementations Michael Ellerman
2017-10-17 12:26 ` Michael Ellerman
2017-10-18 15:07 ` Jarkko Sakkinen
2017-10-18 15:07 ` Jarkko Sakkinen
2017-10-17 9:25 ` SF Markus Elfring
2017-10-17 9:25 ` SF Markus Elfring
2017-10-17 15:57 ` James Bottomley
2017-10-17 15:57 ` James Bottomley
2017-10-17 16:32 ` SF Markus Elfring
2017-10-17 16:32 ` SF Markus Elfring
2017-10-17 16:32 ` SF Markus Elfring
2017-10-17 22:43 ` Joe Perches
2017-10-17 22:43 ` Joe Perches
2017-10-17 22:43 ` Joe Perches
2017-10-18 9:00 ` SF Markus Elfring
2017-10-18 9:00 ` SF Markus Elfring
2017-10-18 9:18 ` Joe Perches
2017-10-18 9:18 ` Joe Perches
2017-10-18 9:50 ` Alexander.Steffen
2017-10-18 9:50 ` Alexander.Steffen
2017-10-18 9:50 ` Alexander.Steffen
2017-10-18 10:00 ` Julia Lawall
2017-10-18 10:00 ` Julia Lawall
2017-10-18 10:28 ` Joe Perches
2017-10-18 10:28 ` Joe Perches
2017-10-18 11:00 ` Adjusting further size determinations? SF Markus Elfring
2017-10-18 11:00 ` SF Markus Elfring
2017-10-18 11:49 ` Joe Perches
2017-10-18 11:49 ` Joe Perches
2017-10-18 12:07 ` SF Markus Elfring
2017-10-18 12:07 ` SF Markus Elfring
2017-10-18 12:58 ` David Laight
2017-10-18 12:58 ` David Laight
2017-10-18 12:58 ` David Laight
2017-10-18 13:32 ` Julia Lawall
2017-10-18 13:32 ` Julia Lawall
2017-10-18 13:50 ` SF Markus Elfring
2017-10-18 13:50 ` SF Markus Elfring
2017-10-18 13:50 ` SF Markus Elfring
2017-10-18 10:44 ` char-TPM: Adjustments for ten function implementations Alexander.Steffen
2017-10-18 10:44 ` Alexander.Steffen
2017-10-18 10:44 ` Alexander.Steffen
2017-10-18 10:49 ` Joe Perches
2017-10-18 10:49 ` Joe Perches
2017-10-18 11:07 ` Alexander.Steffen
2017-10-18 11:07 ` Alexander.Steffen
2017-10-18 11:07 ` Alexander.Steffen
2017-10-18 9:55 ` SF Markus Elfring
2017-10-18 9:55 ` SF Markus Elfring
2017-10-18 18:27 ` Michal Suchánek
2017-10-18 18:27 ` Michal Suchánek
2017-10-18 15:10 ` [PATCH 0/4] " Jarkko Sakkinen
2017-10-18 15:10 ` Jarkko Sakkinen
2017-10-18 15:10 ` Jarkko Sakkinen
2017-10-18 16:09 ` James Bottomley
2017-10-18 16:09 ` James Bottomley
2017-10-18 16:09 ` James Bottomley
2017-10-18 17:13 ` Jarkko Sakkinen
2017-10-18 17:13 ` Jarkko Sakkinen
2017-10-18 17:13 ` Jarkko Sakkinen
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