From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Stefan Berger <stefanb@linux.ibm.com>
Cc: linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org,
Peter Huewe <PeterHuewe@gmx.de>, Jason Gunthorpe <jgg@ziepe.ca>,
Stefan Berger <stefanb@linux.vnet.ibm.com>,
Alexander Steffen <Alexander.Steffen@infineon.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v4 1/2] tpm: Unify the send callback behaviourä
Date: Fri, 8 Feb 2019 22:46:35 +0200 [thread overview]
Message-ID: <20190208204635.GA24938@linux.intel.com> (raw)
In-Reply-To: <36dc691e-4f00-7f6b-5a53-763c12d4fa16@linux.ibm.com>
On Fri, Feb 08, 2019 at 03:32:32PM -0500, Stefan Berger wrote:
> On 2/8/19 3:23 PM, Jarkko Sakkinen wrote:
> > On Fri, Feb 08, 2019 at 02:27:31PM -0500, Stefan Berger wrote:
> > > On 2/8/19 2:17 PM, Jarkko Sakkinen wrote:
> > > > */
> > > > if (rc > 0) {
> > > > dev_warn(&chip->dev,
> > > > "%s: send(): invalid value %d\n", __func__, rc);
> > > > rc = 0;
> > > > }
> > > >
> > > > Should be fairly safe play now.
> > > Unfortuantely it isn't. You seemed to have lost the
> > > EXPORT_SYMBOL_GPL(tpm_chip_start/stop) and the tpm_chip_start/stop around
> > > the tpm2_shutdown()...
> > OK, now those fixes are back. In tpm_pm_shutdown() case you need also
> > take the lock.
>
> tpm_del_char_device also needs the start/stop!
Done and updated the commit message to have all the call sites:
* tpm_chip_register()
* tpm_class_shutdown()
* tpm_del_char_device()
* tpm_pm_suspend()
* tpm_try_get_ops() and tpm_put_ops()
* tpm2_del_space()
/Jarkko
next prev parent reply other threads:[~2019-02-08 20:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 18:08 [PATCH v4 0/2] tpm: Unify send() callbacks Jarkko Sakkinen
2019-02-08 18:08 ` [PATCH v4 1/2] tpm: Unify the send callback behaviour Jarkko Sakkinen
2019-02-08 18:12 ` Stefan Berger
2019-02-08 19:00 ` Jarkko Sakkinen
2019-02-08 19:17 ` [PATCH v4 1/2] tpm: Unify the send callback behaviourä Jarkko Sakkinen
2019-02-08 19:27 ` Stefan Berger
2019-02-08 20:23 ` Jarkko Sakkinen
2019-02-08 20:32 ` Stefan Berger
2019-02-08 20:46 ` Jarkko Sakkinen [this message]
2019-02-08 21:18 ` Stefan Berger
2019-02-08 21:51 ` Jarkko Sakkinen
2019-02-08 20:38 ` Jarkko Sakkinen
2019-02-11 15:05 ` [PATCH v4 1/2] tpm: Unify the send callback behaviour Alexander Steffen
2019-02-13 7:44 ` Jarkko Sakkinen
2019-02-09 18:20 ` Jerry Snitselaar
2019-02-09 20:01 ` Jerry Snitselaar
2019-02-11 13:58 ` Jarkko Sakkinen
2019-02-08 18:08 ` [PATCH v4 2/2] tpm/tpm_i2c_atmel: Return -E2BIG when the transfer is incomplete Jarkko Sakkinen
2019-02-09 20:08 ` [PATCH v4 0/2] tpm: Unify send() callbacks Jerry Snitselaar
2019-02-11 14:03 ` Jarkko Sakkinen
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