linux-kernel - Re: [PATCH] crypto: starfive

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Message-ID: <ZVWcLJOoLdElVsDd@gondor.apana.org.au>
Date:   Thu, 16 Nov 2023 12:35:56 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Jia Jie Ho <jiajie.ho@...rfivetech.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: starfive - Pad adata with zeroes

On Thu, Nov 16, 2023 at 10:17:52AM +0800, Jia Jie Ho wrote:
>
> diff --git a/drivers/crypto/starfive/jh7110-aes.c b/drivers/crypto/starfive/jh7110-aes.c
> index 9378e6682f0e..e0fe599f8192 100644
> --- a/drivers/crypto/starfive/jh7110-aes.c
> +++ b/drivers/crypto/starfive/jh7110-aes.c
> @@ -500,7 +500,7 @@ static int starfive_aes_prepare_req(struct skcipher_request *req,
>  	scatterwalk_start(&cryp->out_walk, rctx->out_sg);
>  
>  	if (cryp->assoclen) {
> -		rctx->adata = kzalloc(ALIGN(cryp->assoclen, AES_BLOCK_SIZE), GFP_KERNEL);
> +		rctx->adata = kzalloc(cryp->assoclen + AES_BLOCK_SIZE, GFP_KERNEL);

Please explain why you're changing the allocation size here.

This needs to go into the patch description.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt