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tpm: use %*ph to print small buffer

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Use %*ph format to print small buffer as hex string.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2020-07-30 19:16:13 +03:00 committed by Jarkko Sakkinen
parent a4c3049784
commit e08c6d3b19
1 changed files with 10 additions and 21 deletions
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31
drivers/char/tpm/tpm-sysfs.c
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@ -56,31 +56,20 @@ static ssize_t pubek_show(struct device *dev, struct device_attribute *attr,
out = (struct tpm_readpubek_out *)&tpm_buf.data[10];
str +=
sprintf(str,
"Algorithm: %02X %02X %02X %02X\n"
"Encscheme: %02X %02X\n"
"Sigscheme: %02X %02X\n"
"Parameters: %02X %02X %02X %02X "
"%02X %02X %02X %02X "
"%02X %02X %02X %02X\n"
"Algorithm: %4ph\n"
"Encscheme: %2ph\n"
"Sigscheme: %2ph\n"
"Parameters: %12ph\n"
"Modulus length: %d\n"
"Modulus:\n",
out->algorithm[0], out->algorithm[1], out->algorithm[2],
out->algorithm[3],
out->encscheme[0], out->encscheme[1],
out->sigscheme[0], out->sigscheme[1],
out->parameters[0], out->parameters[1],
out->parameters[2], out->parameters[3],
out->parameters[4], out->parameters[5],
out->parameters[6], out->parameters[7],
out->parameters[8], out->parameters[9],
out->parameters[10], out->parameters[11],
out->algorithm,
out->encscheme,
out->sigscheme,
out->parameters,
be32_to_cpu(out->keysize));
for (i = 0; i < 256; i++) {
str += sprintf(str, "%02X ", out->modulus[i]);
if ((i + 1) % 16 == 0)
str += sprintf(str, "\n");
}
for (i = 0; i < 256; i += 16)
str += sprintf(str, "%16ph\n", &out->modulus[i]);
out_buf:
tpm_buf_destroy(&tpm_buf);