diff options
Diffstat (limited to 'drivers/s390/cio/device_fsm.c')
| -rw-r--r-- | drivers/s390/cio/device_fsm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index b302779e7cf..180b3bf8b90 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -827,6 +827,17 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event) } return; } + /* + * Check if a halt or clear has been issued in the meanwhile. If yes, + * only deliver the halt/clear interrupt to the device driver as if it + * had killed the original request. + */ + if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC | SCSW_FCTL_HALT_FUNC)) { + cdev->private->flags.dosense = 0; + memset(&cdev->private->irb, 0, sizeof(struct irb)); + ccw_device_accumulate_irb(cdev, irb); + goto call_handler; + } /* Add basic sense info to irb. */ ccw_device_accumulate_basic_sense(cdev, irb); if (cdev->private->flags.dosense) { @@ -834,6 +845,7 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event) ccw_device_do_sense(cdev, irb); return; } +call_handler: cdev->private->state = DEV_STATE_ONLINE; /* Call the handler. */ if (ccw_device_call_handler(cdev) && cdev->private->flags.doverify) |