guest[i] = post_office_read(zr, i, 0);
                }
 
-               printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr));
-
-               for (i = 1; i < 8; i++) {
-                       printk(" 0x%02x", guest[i]);
-               }
-               printk("\n");
+               printk(KERN_INFO "%s: Guests: %*ph\n",
+                      ZR_DEVNAME(zr), 8, guest);
        }
 }
 
                if (j >= 8)
                        break;
        }
-       printk(KERN_INFO "%s: Guests:", ZR_DEVNAME(zr));
 
-       for (i = 1; i < 8; i++) {
-               printk(" 0x%02x", guest0[i]);
-       }
-       printk("\n");
+       printk(KERN_INFO "%s: Guests: %*ph\n", ZR_DEVNAME(zr), 8, guest0);
+
        if (j == 0) {
                printk(KERN_INFO "%s: No activity detected.\n", ZR_DEVNAME(zr));
                return;
 
        printk(KERN_INFO "%s: interrupts received:", ZR_DEVNAME(zr));
        if ((res = zr->field_counter) < -1 || res > 1) {
-               printk(" FD:%d", res);
+               printk(KERN_CONT " FD:%d", res);
        }
        if ((res = zr->intr_counter_GIRQ1) != 0) {
-               printk(" GIRQ1:%d", res);
+               printk(KERN_CONT " GIRQ1:%d", res);
                noerr++;
        }
        if ((res = zr->intr_counter_GIRQ0) != 0) {
-               printk(" GIRQ0:%d", res);
+               printk(KERN_CONT " GIRQ0:%d", res);
                noerr++;
        }
        if ((res = zr->intr_counter_CodRepIRQ) != 0) {
-               printk(" CodRepIRQ:%d", res);
+               printk(KERN_CONT " CodRepIRQ:%d", res);
                noerr++;
        }
        if ((res = zr->intr_counter_JPEGRepIRQ) != 0) {
-               printk(" JPEGRepIRQ:%d", res);
+               printk(KERN_CONT " JPEGRepIRQ:%d", res);
                noerr++;
        }
        if (zr->JPEG_max_missed) {
-               printk(" JPEG delays: max=%d min=%d", zr->JPEG_max_missed,
+               printk(KERN_CONT " JPEG delays: max=%d min=%d", zr->JPEG_max_missed,
                       zr->JPEG_min_missed);
        }
        if (zr->END_event_missed) {
-               printk(" ENDs missed: %d", zr->END_event_missed);
+               printk(KERN_CONT " ENDs missed: %d", zr->END_event_missed);
        }
        //if (zr->jpg_queued_num) {
-       printk(" queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail,
+       printk(KERN_CONT " queue_state=%ld/%ld/%ld/%ld", zr->jpg_que_tail,
               zr->jpg_dma_tail, zr->jpg_dma_head, zr->jpg_que_head);
        //}
        if (!noerr) {
-               printk(": no interrupts detected.");
+               printk(KERN_CONT ": no interrupts detected.");
        }
-       printk("\n");
+       printk(KERN_CONT "\n");
 }
 
 void