Re: [PATCH] arm64/crypto: remove redundant update of data

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On 24 August 2014 22:38, Colin King <colin.king@xxxxxxxxxxxxx> wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Originally found by cppcheck:
>
> [arch/arm64/crypto/sha2-ce-glue.c:153]: (warning) Assignment of
>   function parameter has no effect outside the function. Did you
>   forget dereferencing it?
>
> Updating data by blocks * SHA256_BLOCK_SIZE at the end of
> ha2_finup is redundant code and can be removed.
>

^^^ typo here

> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>


> ---
>  arch/arm64/crypto/sha2-ce-glue.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm64/crypto/sha2-ce-glue.c b/arch/arm64/crypto/sha2-ce-glue.c
> index c294e67..ae67e88 100644
> --- a/arch/arm64/crypto/sha2-ce-glue.c
> +++ b/arch/arm64/crypto/sha2-ce-glue.c
> @@ -150,7 +150,6 @@ static void sha2_finup(struct shash_desc *desc, const u8 *data,
>         kernel_neon_begin_partial(28);
>         sha2_ce_transform(blocks, data, sctx->state, NULL, len);
>         kernel_neon_end();
> -       data += blocks * SHA256_BLOCK_SIZE;
>  }
>
>  static int sha224_finup(struct shash_desc *desc, const u8 *data,
> --
> 2.1.0
>
>
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