diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 287a1af3d013..1b3aed4ee60a 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -736,7 +736,8 @@ static int check_insn_config_length(struct comedi_insn *insn,
 		/* by default we allow the insn since we don't have checks for
 		 * all possible cases yet */
 	default:
-		printk("comedi: no check for data length of config insn id "
+		printk(KERN_WARNING
+		       "comedi: no check for data length of config insn id "
 		       "%i is implemented.\n"
 		       " Add a check to %s in %s.\n"
 		       " Assuming n=%i is correct.\n", data[0], __func__,
@@ -1925,7 +1926,7 @@ static int __init comedi_init(void)
 	}
 	comedi_class = class_create(THIS_MODULE, "comedi");
 	if (IS_ERR(comedi_class)) {
-		printk("comedi: failed to create class");
+		printk(KERN_ERR "comedi: failed to create class");
 		cdev_del(&comedi_cdev);
 		unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0),
 					 COMEDI_NUM_MINORS);
@@ -1971,7 +1972,8 @@ module_exit(comedi_cleanup);
 
 void comedi_error(const struct comedi_device *dev, const char *s)
 {
-	printk("comedi%d: %s: %s\n", dev->minor, dev->driver->driver_name, s);
+	printk(KERN_ERR "comedi%d: %s: %s\n", dev->minor,
+	       dev->driver->driver_name, s);
 }
 
 void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)