security: follow rename pack_hex_byte() to hex_byte_pack()

There is no functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Mimi Zohar <zohar@us.ibm.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

security/keys/encrypted-keys/encrypted.c

@@ -293,7 +293,7 @@ static char *datablob_format(struct encrypted_key_payload *epayload,
 	/* convert the hex encoded iv, encrypted-data and HMAC to ascii */
 	bufp = &ascii_buf[len];
 	for (i = 0; i < (asciiblob_len - len) / 2; i++)
-		bufp = pack_hex_byte(bufp, iv[i]);
+		bufp = hex_byte_pack(bufp, iv[i]);
 out:
 	return ascii_buf;
 }

security/keys/trusted.c

@@ -1098,7 +1098,7 @@ static long trusted_read(const struct key *key, char __user *buffer,
 
 	bufp = ascii_buf;
 	for (i = 0; i < p->blob_len; i++)
-		bufp = pack_hex_byte(bufp, p->blob[i]);
+		bufp = hex_byte_pack(bufp, p->blob[i]);
 	if ((copy_to_user(buffer, ascii_buf, 2 * p->blob_len)) != 0) {
 		kfree(ascii_buf);
 		return -EFAULT;