Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid

[PATCH v3 0/2] TPM fixes · Lino Sanfilippo <LinoSanfilippo@gmx.de> · 2021-02-04
[PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Lino Sanfilippo <LinoSanfilippo@gmx.de> · 2021-02-04
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Stefan Berger <stefanb@linux.ibm.com> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Stefan Berger <stefanb@linux.ibm.com> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · James Bottomley <James.Bottomley@HansenPartnership.com> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Lino Sanfilippo <hidden> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Stefan Berger <stefanb@linux.ibm.com> · 2021-02-06
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Lino Sanfilippo <hidden> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Greg KH <gregkh@linuxfoundation.org> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Jason Gunthorpe <jgg@ziepe.ca> · 2021-02-06
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Lino Sanfilippo <hidden> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Jason Gunthorpe <jgg@ziepe.ca> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Lino Sanfilippo <hidden> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Jason Gunthorpe <jgg@ziepe.ca> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Lino Sanfilippo <LinoSanfilippo@gmx.de> · 2021-02-05
Re: [PATCH v3 1/2] tpm: fix reference counting for struct tpm_chip · Jason Gunthorpe <jgg@ziepe.ca> · 2021-02-06
[PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Lino Sanfilippo <LinoSanfilippo@gmx.de> · 2021-02-04
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · James Bottomley <James.Bottomley@HansenPartnership.com> · 2021-02-05
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Jarkko Sakkinen <jarkko@kernel.org> · 2021-02-05
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · James Bottomley <James.Bottomley@HansenPartnership.com> · 2021-02-05
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Jason Gunthorpe <jgg@ziepe.ca> · 2021-02-05
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · James Bottomley <James.Bottomley@HansenPartnership.com> · 2021-02-05
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Jason Gunthorpe <jgg@ziepe.ca> · 2021-02-06
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · James Bottomley <James.Bottomley@HansenPartnership.com> · 2021-02-06
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Jason Gunthorpe <jgg@ziepe.ca> · 2021-02-06
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Lino Sanfilippo <hidden> · 2021-02-09
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Jason Gunthorpe <jgg@ziepe.ca> · 2021-02-09
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Lino Sanfilippo <hidden> · 2021-02-09
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Jarkko Sakkinen <jarkko@kernel.org> · 2021-02-12
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Jarkko Sakkinen <jarkko@kernel.org> · 2021-02-12
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Lino Sanfilippo <LinoSanfilippo@gmx.de> · 2021-02-14
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Lino Sanfilippo <hidden> · 2021-02-05
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Lino Sanfilippo <LinoSanfilippo@gmx.de> · 2021-03-06
Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid · Greg KH <gregkh@linuxfoundation.org> · 2021-02-05

From: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Date: 2021-03-06 16:11:07
Also in: lkml, stable

Hi James,

On 05.02.21 01:34, James Bottomley wrote:

quoted

The reporter went silent before we could get this tested, but could you
try, please, because your patch is still hand rolling the ops get/put,
just slightly better than it had been done previously.

I tested your patch and it fixes the issue. Your solution seems indeed much cleaner.

FWIW:

Tested-by: Lino Sanfilippo <redacted>

Are you going to send a patch for this? As stated above I verified that your
solution fixes the issue.

Best regards,
Lino

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