---

yaml
---
r: 173231
b: refs/heads/master
c: a7ae2c0
h: refs/heads/master
i:
  173229: ad4e657
  173227: d12d9a2
  173223: 9324dda
  173215: a85ee31
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 37de53bb52908726c18fc84515792a5b2f454532
+refs/heads/master: a7ae2c02f5ab7080646a4cc6c01065ae9decad54

trunk/drivers/s390/cio/device.c

@@ -7,6 +7,10 @@
  *		 Cornelia Huck (cornelia.huck@de.ibm.com)
  *		 Martin Schwidefsky (schwidefsky@de.ibm.com)
  */
+
+#define KMSG_COMPONENT "cio"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
@@ -347,6 +351,14 @@ int ccw_device_set_offline(struct ccw_device *cdev)
 	spin_unlock_irq(cdev->ccwlock);
 	wait_event(cdev->private->wait_q, (dev_fsm_final_state(cdev) ||
 		   cdev->private->state == DEV_STATE_DISCONNECTED));
+	/* Inform the user if set offline failed. */
+	if (cdev->private->state == DEV_STATE_BOXED) {
+		pr_warning("%s: The device entered boxed state while "
+			   "being set offline\n", dev_name(&cdev->dev));
+	} else if (cdev->private->state == DEV_STATE_NOT_OPER) {
+		pr_warning("%s: The device stopped operating while "
+			   "being set offline\n", dev_name(&cdev->dev));
+	}
 	/* Give up reference from ccw_device_set_online(). */
 	put_device(&cdev->dev);
 	return 0;
@@ -407,6 +419,16 @@ int ccw_device_set_online(struct ccw_device *cdev)
 	if ((cdev->private->state != DEV_STATE_ONLINE) &&
 	    (cdev->private->state != DEV_STATE_W4SENSE)) {
 		spin_unlock_irq(cdev->ccwlock);
+		/* Inform the user that set online failed. */
+		if (cdev->private->state == DEV_STATE_BOXED) {
+			pr_warning("%s: Setting the device online failed "
+				   "because it is boxed\n",
+				   dev_name(&cdev->dev));
+		} else if (cdev->private->state == DEV_STATE_NOT_OPER) {
+			pr_warning("%s: Setting the device online failed "
+				   "because it is not operational\n",
+				   dev_name(&cdev->dev));
+		}
 		/* Give up online reference since onlining failed. */
 		put_device(&cdev->dev);
 		return -ENODEV;