[S390] cio: fix not oper handling after failed [on|off]line processing

If online/offline processing of a ccw device fails, resulting in not
operational state, notify the driver and unregister the device in case
the driver dosn't want to keep it.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index b8bdb0d75426..9c1452a6b9a1 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -394,6 +394,13 @@ ccw_device_done(struct ccw_device *cdev, int state)
                         ccw_device_schedule_sch_unregister(cdev);
                 cdev->private->flags.donotify = 0;
         }
+        if (state == DEV_STATE_NOT_OPER) {
+                CIO_MSG_EVENT(0, "Device %04x gone on subchannel %04x\n",
+                              cdev->private->dev_id.devno, sch->schid.sch_no);
+                if (!ccw_device_notify(cdev, CIO_GONE))
+                        ccw_device_schedule_sch_unregister(cdev);
+                cdev->private->flags.donotify = 0;
+        }
 
         if (cdev->private->flags.donotify) {
                 cdev->private->flags.donotify = 0;