From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Tomas Winkler <tomas.winkler@intel.com>
Cc: tpmdd-devel@lists.sourceforge.net,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tpm: don't destroy chip device prematurely
Date: Sun, 2 Oct 2016 13:24:55 +0300 [thread overview]
Message-ID: <20161002102455.GA27464@intel.com> (raw)
In-Reply-To: <20161002101755.GA25844@intel.com>
On Sun, Oct 02, 2016 at 01:17:55PM +0300, Jarkko Sakkinen wrote:
> On Sun, Oct 02, 2016 at 10:39:31AM +0300, Tomas Winkler wrote:
> > In tpm_del_char_device device_del is called
> > prior to tpm2_shutdown where it is still used.
> >
> > Fortunately, so far chip->dev was used only for printouts
> > int tpm2_shutdown flow, hence system didn't crash. But with
> > the introduction of runtime power management it will result in
> > shutting down the parent device while it still in use.
> >
> > Fixes: 20e0152393b41 ("tpm: fix crash in tpm_tis deinitialization")
> > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
>
> Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Applied.
/Jarkko
next prev parent reply other threads:[~2016-10-02 10:24 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-02 7:39 [PATCH] tpm: don't destroy chip device prematurely Tomas Winkler
2016-10-02 10:17 ` Jarkko Sakkinen
2016-10-02 10:24 ` Jarkko Sakkinen [this message]
2016-10-02 21:21 ` Jason Gunthorpe
2016-10-03 7:05 ` Winkler, Tomas
2016-10-03 7:38 ` Winkler, Tomas
2016-10-03 12:42 ` Jarkko Sakkinen
2016-10-03 16:03 ` Jason Gunthorpe
2016-10-03 17:30 ` Winkler, Tomas
2016-10-03 12:48 ` Jarkko Sakkinen
2016-10-04 5:19 ` Jarkko Sakkinen
2016-10-04 16:47 ` Jason Gunthorpe
2016-10-04 21:55 ` Winkler, Tomas
2016-10-04 23:10 ` Jason Gunthorpe
2016-10-05 7:48 ` Winkler, Tomas
2016-10-05 15:15 ` Jarkko Sakkinen
2016-10-05 16:37 ` Jason Gunthorpe
2016-10-05 17:11 ` Jason Gunthorpe
2016-10-05 20:09 ` Winkler, Tomas
2016-10-05 21:16 ` Jason Gunthorpe
2016-10-06 0:43 ` Winkler, Tomas
2016-10-06 2:07 ` Jason Gunthorpe
2016-10-07 14:24 ` Winkler, Tomas
2016-10-07 19:17 ` Jason Gunthorpe
2016-10-07 20:10 ` Winkler, Tomas
2016-10-08 10:47 ` Jarkko Sakkinen
2016-10-05 10:02 ` Jarkko Sakkinen
2016-10-05 16:27 ` Jason Gunthorpe
2016-10-06 11:23 ` Jarkko Sakkinen
2016-10-06 16:22 ` Jason Gunthorpe
2016-10-06 16:46 ` Jarkko Sakkinen
2016-10-05 10:09 ` Jarkko Sakkinen
2016-10-03 16:00 ` Jason Gunthorpe
2016-10-03 17:16 ` Winkler, Tomas
2016-10-03 17:30 ` Jason Gunthorpe
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