Re: [PATCH 1/4] crypto: ccp - Fix SEV_INIT error logging on init

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On Thu, Oct 28, 2021 at 10:57 AM Peter Gonda <pgonda@xxxxxxxxxx> wrote:
>
> Currently only the firmware error code is printed. This is incomplete
> and also incorrect as error cases exists where the firmware is never
> called and therefore does not set an error code. This change zeros the
> firmware error code in case the call does not get that far and prints
> the return code for non firmware errors.
>
> Signed-off-by: Peter Gonda <pgonda@xxxxxxxxxx>
> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
> Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>
> Cc: Brijesh Singh <brijesh.singh@xxxxxxx>
> Cc: Marc Orr <marcorr@xxxxxxxxxx>
> Cc: Joerg Roedel <jroedel@xxxxxxx>
> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Cc: David Rientjes <rientjes@xxxxxxxxxx>
> Cc: John Allen <john.allen@xxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> (
> Cc: linux-crypto@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
>  drivers/crypto/ccp/sev-dev.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
> index 2ecb0e1f65d8..ec89a82ba267 100644
> --- a/drivers/crypto/ccp/sev-dev.c
> +++ b/drivers/crypto/ccp/sev-dev.c
> @@ -1065,7 +1065,7 @@ void sev_pci_init(void)
>  {
>         struct sev_device *sev = psp_master->sev_data;
>         struct page *tmr_page;
> -       int error, rc;
> +       int error = 0, rc;
>
>         if (!sev)
>                 return;
> @@ -1104,7 +1104,8 @@ void sev_pci_init(void)
>         }
>
>         if (rc) {
> -               dev_err(sev->dev, "SEV: failed to INIT error %#x\n", error);
> +               dev_err(sev->dev, "SEV: failed to INIT error %#x, rc %d\n",
> +                       error, rc);
>                 return;
>         }
>
> --
> 2.33.1.1089.g2158813163f-goog
>

Reviewed-by: Marc Orr <marcorr@xxxxxxxxxx>



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