[S390] cio: allow setting boxed devices offline

Allow users to set boxed devices offline. After setting them
offline, the device state will still be boxed.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 3b0f408a896c..b9613d7df9ef 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -687,6 +687,10 @@ ccw_device_offline(struct ccw_device *cdev)
                 ccw_device_done(cdev, DEV_STATE_NOT_OPER);
                 return 0;
         }
+        if (cdev->private->state == DEV_STATE_BOXED) {
+                ccw_device_done(cdev, DEV_STATE_BOXED);
+                return 0;
+        }
         if (ccw_device_is_orphan(cdev)) {
                 ccw_device_done(cdev, DEV_STATE_OFFLINE);
                 return 0;