3 files changed, 10 insertions, 3 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index cb2491761958..ae1d6ee382a5 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -60,7 +60,7 @@ static LIST_HEAD(sclp_reg_list);
 /* List of queued requests. */
 static LIST_HEAD(sclp_req_queue);
 
-/* Data for read and and init requests. */
+/* Data for read and init requests. */
 static struct sclp_req sclp_read_req;
 static struct sclp_req sclp_init_req;
 static void *sclp_read_sccb;
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 5c13d2079d96..0a9045b49c50 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1435,7 +1435,7 @@ static int __verify_queue_reservations(struct device_driver *drv, void *data)
 	if (ap_drv->in_use) {
 		rc = ap_drv->in_use(ap_perms.apm, newaqm);
 		if (rc)
-			return -EBUSY;
+			rc = -EBUSY;
 	}
 
 	/* release the driver's module */
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index 97e51c34e6cf..161d3b141f0d 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -1136,8 +1136,13 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev,
 			vcdev->err = -EIO;
 	}
 	virtio_ccw_check_activity(vcdev, activity);
-	/* Interrupts are disabled here */
+#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION
+	/*
+	 * Paired with virtio_ccw_synchronize_cbs() and interrupts are
+	 * disabled here.
+	 */
 	read_lock(&vcdev->irq_lock);
+#endif
 	for_each_set_bit(i, indicators(vcdev),
 			 sizeof(*indicators(vcdev)) * BITS_PER_BYTE) {
 		/* The bit clear must happen before the vring kick. */
@@ -1146,7 +1151,9 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev,
 		vq = virtio_ccw_vq_by_ind(vcdev, i);
 		vring_interrupt(0, vq);
 	}
+#ifdef CONFIG_VIRTIO_HARDEN_NOTIFICATION
 	read_unlock(&vcdev->irq_lock);
+#endif
 	if (test_bit(0, indicators2(vcdev))) {
 		virtio_config_changed(&vcdev->vdev);
 		clear_bit(0, indicators2(vcdev));