Re: [PATCH v1 5/5] [S390] zcrypt: use seq_hex_dump() to dump buffers

From: Andy Shevchenko
Date: Thu Jul 10 2014 - 05:56:40 EST


On Wed, 2014-07-09 at 18:24 +0300, Andy Shevchenko wrote:
> Instead of custom approach let's use recently introduced seq_hex_dump() helper.
>
> In this case it slightly changes the output, namely the four tetrads will be
> output on one line.

The above paragraph is not true and will be removed in v2.
The output is kept the same as in original code.

>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> drivers/s390/crypto/zcrypt_api.c | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
> index 0e18c5d..d1f9983 100644
> --- a/drivers/s390/crypto/zcrypt_api.c
> +++ b/drivers/s390/crypto/zcrypt_api.c
> @@ -1203,16 +1203,8 @@ static void sprinthx(unsigned char *title, struct seq_file *m,
> static void sprinthx4(unsigned char *title, struct seq_file *m,
> unsigned int *array, unsigned int len)
> {
> - int r;
> -
> seq_printf(m, "\n%s\n", title);
> - for (r = 0; r < len; r++) {
> - if ((r % 8) == 0)
> - seq_printf(m, " ");
> - seq_printf(m, "%08X ", array[r]);
> - if ((r % 8) == 7)
> - seq_putc(m, '\n');
> - }
> + seq_hex_dump(m, " ", DUMP_PREFIX_NONE, 32, 4, array, len, false);
> seq_putc(m, '\n');
> }
>


--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Intel Finland Oy

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