tpm: use %*ph to print small buffer (e08c6d3b) · Commits · 戴 / test

drivers/char/tpm/tpm-sysfs.c

+10 −21

Original line number	Diff line number	Diff line
		@@ -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);