Re: [PATCH v2 1/1] tpm: add request_locality before write TPM_INT_ENABLE

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 2021-10-13 at 06:25 +0000, Chen Jun wrote:
> Locality is not appropriately requested before writing the int mask.
> Add the missing boilerplate.
> 
> Fixes: e6aef069b6e9 ("tpm_tis: convert to using locality callbacks")
> Signed-off-by: Chen Jun <chenjun102@xxxxxxxxxx>
> ---
> 
>  v2: rewrite the commit message.
> 
>  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)

Thank you.

Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>

/Jarkko





[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux Kernel]     [Linux Kernel Hardening]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux SCSI]

  Powered by Linux