linux-kernel - Re: [v7 PATCH 7/8] crypto: stm32

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Message-ID: <CACRpkdb-tCWAHS3Bt8q2q3sXE5bWVVf42_qOS0ogKhCj_VRksw@mail.gmail.com>
Date:   Sat, 11 Mar 2023 22:44:52 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Lionel Debieve <lionel.debieve@...s.st.com>,
        Li kunyu <kunyu@...china.com>, davem@...emloft.net,
        linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com, mcoquelin.stm32@...il.com
Subject: Re: [v7 PATCH 7/8] crypto: stm32 - Fix empty message processing

On Sat, Mar 11, 2023 at 10:09 AM Herbert Xu <herbert@...dor.apana.org.au> wrote:

> Change the emptymsg check in stm32_hash_copy_hash to rely on whether
> we have any existing hash state, rather than whether this particular
> update request is empty.
>
> Also avoid computing the hash for empty messages as this could hang.
>
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Excellent patch. Also works flawlessly.
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Tested-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij