diff options
Diffstat (limited to 'drivers/s390/cio/device.c')
| -rw-r--r-- | drivers/s390/cio/device.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 2ff8a22d425..e8391b89eff 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1455,7 +1455,16 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) break; case IO_SCH_UNREG_ATTACH: case IO_SCH_UNREG: - if (cdev) + if (!cdev) + break; + if (cdev->private->state == DEV_STATE_SENSE_ID) { + /* + * Note: delayed work triggered by this event + * and repeated calls to sch_event are synchronized + * by the above check for work_pending(cdev). + */ + dev_fsm_event(cdev, DEV_EVENT_NOTOPER); + } else ccw_device_set_notoper(cdev); break; case IO_SCH_NOP: |