2015-06-04 23:03:00

by Hon Ching(Vicky) Lo

[permalink] [raw]
Subject: [Fwd: Re: [PATCH] vTPM: set virtual device before passing to ibmvtpm_reset_crq]

Hi Peter,


Would it be possible for you to review and commit the following patch
at your earliest convenience? Thanks in advance!


-------- Forwarded Message --------
From: Ashley Lai <[email protected]>
To: Hon Ching(Vicky) Lo <[email protected]>
Cc: [email protected], Peter Huewe <[email protected]>,
Ashley Lai <[email protected]>, Vicky Lo <[email protected]>,
[email protected], Joy Latten <[email protected]>
Subject: Re: [PATCH] vTPM: set virtual device before passing to
ibmvtpm_reset_crq
Date: Tue, 2 Jun 2015 00:50:43 -0500 (CDT)

Thanks for the patch. Looks good to me.

Reviewed-by: Ashley Lai <[email protected]>

--Ashley Lai

On Fri, 22 May 2015, Hon Ching(Vicky) Lo wrote:

> tpm_ibmvtpm_probe() calls ibmvtpm_reset_crq(ibmvtpm) without having yet
> set the virtual device in the ibmvtpm structure. So in ibmvtpm_reset_crq,
> the phype call contains empty unit addresses, ibmvtpm->vdev->unit_address.
>
> Signed-off-by: Hon Ching(Vicky) Lo <[email protected]>
> Signed-off-by: Joy Latten <[email protected]>
> ---
> drivers/char/tpm/tpm_ibmvtpm.c | 5 +++--
> 1 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
> index 42ffa5e..27ebf95 100644
> --- a/drivers/char/tpm/tpm_ibmvtpm.c
> +++ b/drivers/char/tpm/tpm_ibmvtpm.c
> @@ -578,6 +578,9 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
> goto cleanup;
> }
>
> + ibmvtpm->dev = dev;
> + ibmvtpm->vdev = vio_dev;
> +
> crq_q = &ibmvtpm->crq_queue;
> crq_q->crq_addr = (struct ibmvtpm_crq *)get_zeroed_page(GFP_KERNEL);
> if (!crq_q->crq_addr) {
> @@ -622,8 +625,6 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
>
> crq_q->index = 0;
>
> - ibmvtpm->dev = dev;
> - ibmvtpm->vdev = vio_dev;
> TPM_VPRIV(chip) = (void *)ibmvtpm;
>
> spin_lock_init(&ibmvtpm->rtce_lock);
> --
> 1.7.1
>
>

Best Regards,
Vicky