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-rw-r--r--drivers/s390/kvm/virtio_ccw.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c
index 42d507c4e06b..5948f2a7b080 100644
--- a/drivers/s390/kvm/virtio_ccw.c
+++ b/drivers/s390/kvm/virtio_ccw.c
@@ -133,8 +133,11 @@ static int ccw_io_helper(struct virtio_ccw_device *vcdev,
do {
spin_lock_irqsave(get_ccwdev_lock(vcdev->cdev), flags);
ret = ccw_device_start(vcdev->cdev, ccw, intparm, 0, 0);
- if (!ret)
+ if (!ret) {
+ if (!vcdev->curr_io)
+ vcdev->err = 0;
vcdev->curr_io |= flag;
+ }
spin_unlock_irqrestore(get_ccwdev_lock(vcdev->cdev), flags);
cpu_relax();
} while (ret == -EBUSY);