diff options
| -rw-r--r-- | drivers/s390/cio/device.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index e8e1a108cdf8..fc916f5d7314 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1521,11 +1521,14 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) goto out; break; case IO_SCH_UNREG_ATTACH: + spin_lock_irqsave(sch->lock, flags); if (cdev->private->flags.resuming) { /* Device will be handled later. */ rc = 0; - goto out; + goto out_unlock; } + sch_set_cdev(sch, NULL); + spin_unlock_irqrestore(sch->lock, flags); /* Unregister ccw device. */ ccw_device_unregister(cdev); break; |