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path: root/drivers/s390/cio/device_fsm.c
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Diffstat (limited to 'drivers/s390/cio/device_fsm.c')
-rw-r--r--drivers/s390/cio/device_fsm.c12
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)