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-rw-r--r--hw/s390x/s390-ccw.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/s390x/s390-ccw.c b/hw/s390x/s390-ccw.c
index c227c77984..2fc8bb9c23 100644
--- a/hw/s390x/s390-ccw.c
+++ b/hw/s390x/s390-ccw.c
@@ -124,6 +124,7 @@ static void s390_ccw_realize(S390CCWDevice *cdev, char *sysfsdev, Error **errp)
     }
     sch->driver_data = cdev;
     sch->do_subchannel_work = do_subchannel_work_passthrough;
+    sch->irb_cb = build_irb_passthrough;
 
     ccw_dev->sch = sch;
     ret = css_sch_build_schib(sch, &cdev->hostid);