linux-kernel - Re: [PATCH RFC v3 5/5] tpm2: expose resource manager via a device link /dev/tpms<n>

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Message-ID: <20170116172443.kaakeyahnril55r3@intel.com>
Date:   Mon, 16 Jan 2017 19:24:43 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:     tpmdd-devel@...ts.sourceforge.net,
        linux-security-module@...r.kernel.org,
        James Bottomley <James.Bottomley@...senPartnership.com>,
        Peter Huewe <peterhuewe@....de>,
        Marcel Selhorst <tpmdd@...horst.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC v3 5/5] tpm2: expose resource manager via a device
 link /dev/tpms<n>

On Mon, Jan 16, 2017 at 09:14:13AM -0700, Jason Gunthorpe wrote:
> On Mon, Jan 16, 2017 at 03:12:11PM +0200, Jarkko Sakkinen wrote:
> 
> > @@ -199,7 +227,9 @@ struct tpm_chip *tpm_chip_alloc(struct device *pdev,
> >  	return chip;
> >  
> >  out:
> > +	put_device(&chip->devrm);
> >  	put_device(&chip->dev);
> > +	put_device(&chip->devrm);
> >  	return ERR_PTR(rc);
> >  }
> 
> Something has gone wrong here..

Not a big surprise. There were a bunch of these small patches
that I had to squash. Thanks for spotting this.

Funny that I didn't experiece any issues when I run my smoke
tests.

/Jarkko