for (i = 0; i < 8; ++i)
                        iwave[i] = snd_gf1_peek(gus, bank_pos + i);
 #ifdef CONFIG_SND_DEBUG_ROM
-               printk(KERN_DEBUG "ROM at 0x%06x = %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", bank_pos,
-                      iwave[0], iwave[1], iwave[2], iwave[3],
-                      iwave[4], iwave[5], iwave[6], iwave[7]);
+               printk(KERN_DEBUG "ROM at 0x%06x = %*phC\n", bank_pos,
+                                 8, iwave);
 #endif
                if (strncmp(iwave, "INTRWAVE", 8))
                        continue;       /* first check */
 
                if (!memcmp(version, known_fw_versions + i, 4))
                        return 0;
 
-       snd_printk(KERN_ERR PREFIX "invalid fimware version in device: "
-                       "%02x %02x %02x %02x. "
+       snd_printk(KERN_ERR PREFIX "invalid fimware version in device: %*ph. "
                        "please reconnect to power. if this failure "
                        "still happens, check your firmware installation.",
-                       version[0], version[1], version[2], version[3]);
+                       4, version);
        return -EINVAL;
 }