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References: <20211028175749.1219188-1-pgonda@google.com> <20211028175749.1219188-2-pgonda@google.com>
In-Reply-To: <20211028175749.1219188-2-pgonda@google.com>
From:   Marc Orr <marcorr@google.com>
Date:   Mon, 1 Nov 2021 09:28:23 -0700
Message-ID: <CAA03e5FgzHp-PHfi+v_R3hwxhbr2Z7O6hZuZQ8sDr-ryGVhxRQ@mail.gmail.com>
Subject: Re: [PATCH 1/4] crypto: ccp - Fix SEV_INIT error logging on init
To:     Peter Gonda <pgonda@google.com>
Cc:     Thomas.Lendacky@amd.com, David Rientjes <rientjes@google.com>,
        Brijesh Singh <brijesh.singh@amd.com>,
        Joerg Roedel <jroedel@suse.de>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        John Allen <john.allen@amd.com>,
        "David S. Miller" <davem@davemloft.net>,
        Paolo Bonzini <pbonzini@redhat.com>,
        linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Thu, Oct 28, 2021 at 10:57 AM Peter Gonda <pgonda@google.com> 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@google.com>
> Acked-by: David Rientjes <rientjes@google.com>
> Cc: Tom Lendacky <thomas.lendacky@amd.com>
> Cc: Brijesh Singh <brijesh.singh@amd.com>
> Cc: Marc Orr <marcorr@google.com>
> Cc: Joerg Roedel <jroedel@suse.de>
> Cc: Herbert Xu <herbert@gondor.apana.org.au>
> Cc: David Rientjes <rientjes@google.com>
> Cc: John Allen <john.allen@amd.com>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Paolo Bonzini <pbonzini@redhat.com> (
> Cc: linux-crypto@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
>  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@google.com>