These utilities implemented in lib/hexdump.c are more handy, please use this.
Signed-off-by: Denis Cheng <crquan@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 
 static void hexdump(unsigned char *buf, unsigned int len)
 {
-       while (len--)
-               printk("%02x", *buf++);
-
-       printk("\n");
+       print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
+                       16, 1,
+                       buf, len, false);
 }
 
 static void tcrypt_complete(struct crypto_async_request *req, int err)