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SubjectRe: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid
On Tue, Feb 09, 2021 at 12:52:17PM +0100, Lino Sanfilippo wrote:
> > @@ -640,8 +643,10 @@ void tpm_chip_unregister(struct tpm_chip *chip)
> > if (IS_ENABLED(CONFIG_HW_RANDOM_TPM))
> > hwrng_unregister(&chip->hwrng);
> > tpm_bios_log_teardown(chip);
> > - if (chip->flags & TPM_CHIP_FLAG_TPM2)
> > + if (chip->flags & TPM_CHIP_FLAG_TPM2) {
> > cdev_device_del(&chip->cdevs, &chip->devs);
> > + put_device(&chip->devs);
> > + }
> > tpm_del_char_device(chip);
> > }
> > EXPORT_SYMBOL_GPL(tpm_chip_unregister);
> >
>
> I tested the solution you scetched and it fixes the issue for me. Will you send a (real) patch for this?

No, feel free to bundle this up with any fixes needed and send it with
a Signed-off-by from both of us

I did it pretty fast so it will need a careful read that there isn't a
typo

Thanks,
Jason

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