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-rw-r--r--hw/core/qdev-properties-system.c2
-rw-r--r--hw/hyperv/vmbus.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index b5ccafa29e..b46d16cd2c 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -1114,7 +1114,7 @@ static void get_uuid(Object *obj, Visitor *v, const char *name, void *opaque,
 {
     Property *prop = opaque;
     QemuUUID *uuid = object_field_prop_ptr(obj, prop);
-    char buffer[UUID_FMT_LEN + 1];
+    char buffer[UUID_STR_LEN];
     char *p = buffer;
 
     qemu_uuid_unparse(uuid, buffer);
diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c
index 271289f902..c64eaa5a46 100644
--- a/hw/hyperv/vmbus.c
+++ b/hw/hyperv/vmbus.c
@@ -2271,7 +2271,7 @@ static void vmbus_dev_realize(DeviceState *dev, Error **errp)
     VMBus *vmbus = VMBUS(qdev_get_parent_bus(dev));
     BusChild *child;
     Error *err = NULL;
-    char idstr[UUID_FMT_LEN + 1];
+    char idstr[UUID_STR_LEN];
 
     assert(!qemu_uuid_is_null(&vdev->instanceid));
 
@@ -2467,7 +2467,7 @@ static char *vmbus_get_dev_path(DeviceState *dev)
 static char *vmbus_get_fw_dev_path(DeviceState *dev)
 {
     VMBusDevice *vdev = VMBUS_DEVICE(dev);
-    char uuid[UUID_FMT_LEN + 1];
+    char uuid[UUID_STR_LEN];
 
     qemu_uuid_unparse(&vdev->instanceid, uuid);
     return g_strdup_printf("%s@%s", qdev_fw_name(dev), uuid);