Re: [PATCH v2 1/2] crypto: ccp: Avoid discarding errors in psp_send_platform_access_msg()

From: Herbert Xu
Date: Fri Feb 23 2024 - 19:50:17 EST


On Tue, Feb 13, 2024 at 11:34:28AM -0600, Mario Limonciello wrote:
> Errors can potentially occur in the "processing" of PSP commands or
> commands can be processed successfully but still return an error code in
> the header.
>
> This second case was being discarded because PSP communication worked but
> the command returned an error code in the payload header.
>
> Capture both cases and return them to the caller as -EIO for the caller
> to investigate. The caller can detect the latter by looking at
> `req->header->status`.
>
> Reported-and-tested-by: Tim Van Patten <timvp@xxxxxxxxxx>
> Fixes: 7ccc4f4e2e50 ("crypto: ccp - Add support for an interface for platform features")
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> ---
> v1->v2:
> * Update tag for Tim
> * Reword commit message
> ---
> drivers/crypto/ccp/platform-access.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)

All applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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