netdev - Re: [PATCH v2 1/3] nfc: st21nfca: fix incorrect validating logic in EVT

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Message-ID: <503e1144-df8b-bee3-0e9e-411e6599c21b@linaro.org>
Date:   Sat, 2 Apr 2022 10:55:11 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Martin Faltesek <mfaltesek@...omium.org>, netdev@...r.kernel.org,
        kuba@...nel.org, christophe.ricard@...il.com, jordy@...ing.systems
Cc:     sameo@...ux.intel.com, wklin@...gle.com, groeck@...gle.com,
        mfaltesek@...gle.com, gregkh@...uxfoundation.org
Subject: Re: [PATCH v2 1/3] nfc: st21nfca: fix incorrect validating logic in
 EVT_TRANSACTION

On 01/04/2022 20:09, Martin Faltesek wrote:
> The first validation check for EVT_TRANSACTION has two different checks
> tied together with logical AND. One is a check for minimum packet length,
> and the other is for a valid aid_tag. If either condition is true (fails),
> then an error should be triggered.  The fix is to change && to ||.
> 
> Fixes: 26fc6c7f02cb ("NFC: st21nfca: Add HCI transaction event support")
> Signed-off-by: Martin Faltesek <mfaltesek@...gle.com>
> ---
>  drivers/nfc/st21nfca/se.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>


Best regards,
Krzysztof