Re: [PATCH cryptodev buildfix] crypto: s390/aes - fix typo in XTS_BLOCK_SIZE identifier

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On 22.08.19 12:24, Ard Biesheuvel wrote:
> Fix a typo XTS_BLOCKSIZE -> XTS_BLOCK_SIZE, causing the build to
> break.
>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
> Apologies for the sloppiness.
>
> Herbert, could we please merge this before cryptodev hits -next?
>
>  arch/s390/crypto/aes_s390.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
> index a34faadc757e..d4f6fd42a105 100644
> --- a/arch/s390/crypto/aes_s390.c
> +++ b/arch/s390/crypto/aes_s390.c
> @@ -586,7 +586,7 @@ static int xts_aes_encrypt(struct blkcipher_desc *desc,
>  	struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
>  	struct blkcipher_walk walk;
>
> -	if (unlikely(!xts_ctx->fc || (nbytes % XTS_BLOCKSIZE) != 0))
> +	if (unlikely(!xts_ctx->fc || (nbytes % XTS_BLOCK_SIZE) != 0))
>  		return xts_fallback_encrypt(desc, dst, src, nbytes);
>
>  	blkcipher_walk_init(&walk, dst, src, nbytes);
> @@ -600,7 +600,7 @@ static int xts_aes_decrypt(struct blkcipher_desc *desc,
>  	struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
>  	struct blkcipher_walk walk;
>
> -	if (unlikely(!xts_ctx->fc || (nbytes % XTS_BLOCKSIZE) != 0))
> +	if (unlikely(!xts_ctx->fc || (nbytes % XTS_BLOCK_SIZE) != 0))
>  		return xts_fallback_decrypt(desc, dst, src, nbytes);
>
>  	blkcipher_walk_init(&walk, dst, src, nbytes);

Applied together with the aes xts common code fix and the testmanager fixes,
build and tested. Works fine, Thanks.
With the 'extra run-time crypto self tests' enabled I see a failure of the s390 xts
implementation when nbytes=0 is used (should return with EINVAL but actually
returns with 0). I'll send a fix for this via the s390 maintainers.
regards
Harald Freudenberger




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