2 files changed, 10 insertions, 4 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 75d4f301fb..c59be1aad1 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -196,7 +196,7 @@ static const VMStateDescription vmstate_schdev_orb = {
 };
 
 static int subch_dev_post_load(void *opaque, int version_id);
-static void subch_dev_pre_save(void *opaque);
+static int subch_dev_pre_save(void *opaque);
 
 const char err_hint_devno[] = "Devno mismatch, tried to load wrong section!"
     " Likely reason: some sequences of plug and unplug  can break"
@@ -249,7 +249,7 @@ static int post_load_ind_addr(void *opaque, int version_id)
     return 0;
 }
 
-static void pre_save_ind_addr(void *opaque)
+static int pre_save_ind_addr(void *opaque)
 {
     IndAddrPtrTmp *ptmp = opaque;
     IndAddr *ind_addr = *(ptmp->parent);
@@ -261,6 +261,8 @@ static void pre_save_ind_addr(void *opaque)
         ptmp->len = 0;
         ptmp->addr = 0L;
     }
+
+    return 0;
 }
 
 const VMStateDescription vmstate_ind_addr_tmp = {
@@ -358,12 +360,14 @@ static ChannelSubSys channel_subsys = {
         QTAILQ_HEAD_INITIALIZER(channel_subsys.indicator_addresses),
 };
 
-static void subch_dev_pre_save(void *opaque)
+static int subch_dev_pre_save(void *opaque)
 {
     SubchDev *s = opaque;
 
     /* Prepare remote_schid for save */
     s->migrated_schid = s->schid;
+
+    return 0;
 }
 
 static int subch_dev_post_load(void *opaque, int version_id)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index ff1bb1534c..62d69aa30b 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -62,13 +62,15 @@ typedef struct VirtioCcwDeviceTmp {
     uint16_t config_vector;
 } VirtioCcwDeviceTmp;
 
-static void virtio_ccw_dev_tmp_pre_save(void *opaque)
+static int virtio_ccw_dev_tmp_pre_save(void *opaque)
 {
     VirtioCcwDeviceTmp *tmp = opaque;
     VirtioCcwDevice *dev = tmp->parent;
     VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
 
     tmp->config_vector = vdev->config_vector;
+
+    return 0;
 }
 
 static int virtio_ccw_dev_tmp_post_load(void *opaque, int version_id)