2021-11-01 16:28:38

by Marc Orr

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

On Thu, Oct 28, 2021 at 10:57 AM Peter Gonda <[email protected]> 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 <[email protected]>
> Acked-by: David Rientjes <[email protected]>
> Cc: Tom Lendacky <[email protected]>
> Cc: Brijesh Singh <[email protected]>
> Cc: Marc Orr <[email protected]>
> Cc: Joerg Roedel <[email protected]>
> Cc: Herbert Xu <[email protected]>
> Cc: David Rientjes <[email protected]>
> Cc: John Allen <[email protected]>
> Cc: "David S. Miller" <[email protected]>
> Cc: Paolo Bonzini <[email protected]> (
> Cc: [email protected]
> Cc: [email protected]
> ---
> 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 <[email protected]>