linux-kernel - Re: [PATCH] crypto: testmgr - delete some redundant code

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Date:   Tue, 23 Feb 2021 22:54:58 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Kai Ye <yekai13@...wei.com>
Cc:     herbert@...dor.apana.org.au, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: testmgr - delete some redundant code

On Tue, Feb 23, 2021 at 11:42:04AM +0800, Kai Ye wrote:
> Delete sg_data function, because sg_data function definition same as
> sg_virt(), so need to delete it and use sg_virt() replace to sg_data().
> 
> Signed-off-by: Kai Ye <yekai13@...wei.com>
> ---
>  crypto/testmgr.c | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/crypto/testmgr.c b/crypto/testmgr.c
> index 9335999..e13e73c 100644
> --- a/crypto/testmgr.c
> +++ b/crypto/testmgr.c
> @@ -1168,11 +1168,6 @@ static inline int check_shash_op(const char *op, int err,
>  	return err;
>  }
>  
> -static inline const void *sg_data(struct scatterlist *sg)
> -{
> -	return page_address(sg_page(sg)) + sg->offset;
> -}
> -
>  /* Test one hash test vector in one configuration, using the shash API */
>  static int test_shash_vec_cfg(const struct hash_testvec *vec,
>  			      const char *vec_name,
> @@ -1230,7 +1225,7 @@ static int test_shash_vec_cfg(const struct hash_testvec *vec,
>  			return 0;
>  		if (cfg->nosimd)
>  			crypto_disable_simd_for_test();
> -		err = crypto_shash_digest(desc, sg_data(&tsgl->sgl[0]),
> +		err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
>  					  tsgl->sgl[0].length, result);
>  		if (cfg->nosimd)
>  			crypto_reenable_simd_for_test();
> @@ -1266,7 +1261,7 @@ static int test_shash_vec_cfg(const struct hash_testvec *vec,
>  		    cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
>  			if (divs[i]->nosimd)
>  				crypto_disable_simd_for_test();
> -			err = crypto_shash_finup(desc, sg_data(&tsgl->sgl[i]),
> +			err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
>  						 tsgl->sgl[i].length, result);
>  			if (divs[i]->nosimd)
>  				crypto_reenable_simd_for_test();
> @@ -1278,7 +1273,7 @@ static int test_shash_vec_cfg(const struct hash_testvec *vec,
>  		}
>  		if (divs[i]->nosimd)
>  			crypto_disable_simd_for_test();
> -		err = crypto_shash_update(desc, sg_data(&tsgl->sgl[i]),
> +		err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
>  					  tsgl->sgl[i].length);
>  		if (divs[i]->nosimd)
>  			crypto_reenable_simd_for_test();
> -- 

Looks good,

Reviewed-by: Eric Biggers <ebiggers@...gle.com>

- Eric