From: Jarkko Sakkinen <jarkko@kernel.org>
To: Chen Jun <chenjun102@huawei.com>,
linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org
Cc: peterhuewe@gmx.de, jgg@ziepe.ca, rui.xiang@huawei.com
Subject: Re: [PATCH v2 1/1] tpm: add request_locality before write TPM_INT_ENABLE
Date: Tue, 12 Oct 2021 20:34:16 +0300 [thread overview]
Message-ID: <b990e7af84075968f2c0cd018077f40ec280d136.camel@kernel.org> (raw)
In-Reply-To: <20211012124803.11956-1-chenjun102@huawei.com>
On Tue, 2021-10-12 at 12:48 +0000, Chen Jun wrote:
> the addr can not be written without request_locality.
So, you need to describe the commit does here, e.g. you could replace
what you have with
"
Locality is not appropriately requested before writing the int mask.
Add the missing boilerplate.
"
I.e. for any commit you need to be able to describe what you are doing,
not just the sympton.
>
> Fixes: e6aef069b6e9 ("tpm_tis: convert to using locality callbacks")
> Signed-off-by: Chen Jun <chenjun102@huawei.com>
> ---
> drivers/char/tpm/tpm_tis_core.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
> index 69579efb247b..bea587301917 100644
> --- a/drivers/char/tpm/tpm_tis_core.c
> +++ b/drivers/char/tpm/tpm_tis_core.c
> @@ -978,7 +978,15 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
> intmask |= TPM_INTF_CMD_READY_INT | TPM_INTF_LOCALITY_CHANGE_INT |
> TPM_INTF_DATA_AVAIL_INT | TPM_INTF_STS_VALID_INT;
> intmask &= ~TPM_GLOBAL_INT_ENABLE;
> +
> + rc = request_locality(chip, 0);
> + if (rc < 0) {
> + rc = -ENODEV;
> + goto out_err;
> + }
> +
> tpm_tis_write32(priv, TPM_INT_ENABLE(priv->locality), intmask);
> + release_locality(chip, 0);
>
> rc = tpm_chip_start(chip);
> if (rc)
Thanks a lot for the fix. If you could fix the commit message,
I'm happy to apply this.
Also add:
Cc: stable@vger.kernel.org
/Jarkko
next prev parent reply other threads:[~2021-10-12 17:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-12 12:48 [PATCH v2 1/1] tpm: add request_locality before write TPM_INT_ENABLE Chen Jun
2021-10-12 17:34 ` Jarkko Sakkinen [this message]
2021-10-13 6:25 Chen Jun
2021-10-14 0:00 ` Jarkko Sakkinen
2021-10-26 2:14 ` Jarkko Sakkinen
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