linux-kernel - Re: [patch] crypto: marvell/cesa

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Date:	Mon, 21 Mar 2016 10:10:54 +0100
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Arnaud Ebalard <arno@...isbad.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch] crypto: marvell/cesa - remove unneeded condition

On Mon, 21 Mar 2016 12:03:43 +0300
Dan Carpenter <dan.carpenter@...cle.com> wrote:

> creq->cache[] is an array inside the struct, it's not a pointer and it
> can't be NULL.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Acked-by: Boris Brezillon <boris.brezillon@...e-electrons.com>

> 
> diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
> index 7ca2e0f..7a5058d 100644
> --- a/drivers/crypto/marvell/hash.c
> +++ b/drivers/crypto/marvell/hash.c
> @@ -768,8 +768,7 @@ static int mv_cesa_ahash_export(struct ahash_request *req, void *hash,
>  	*len = creq->len;
>  	memcpy(hash, creq->state, digsize);
>  	memset(cache, 0, blocksize);
> -	if (creq->cache)
> -		memcpy(cache, creq->cache, creq->cache_ptr);
> +	memcpy(cache, creq->cache, creq->cache_ptr);
>  
>  	return 0;
>  }



-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com