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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

  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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