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-rw-r--r--hw/mem/memory-device.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c
index 425830c65c..07749bab69 100644
--- a/hw/mem/memory-device.c
+++ b/hw/mem/memory-device.c
@@ -268,9 +268,16 @@ void memory_device_unplug_region(MachineState *ms, MemoryRegion *mr)
uint64_t memory_device_get_region_size(const MemoryDeviceState *md,
Error **errp)
{
- MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(md);
+ const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(md);
+ MemoryRegion *mr;
- return mdc->get_region_size(md, errp);
+ /* dropping const here is fine as we don't touch the memory region */
+ mr = mdc->get_memory_region((MemoryDeviceState *)md, errp);
+ if (!mr) {
+ return 0;
+ }
+
+ return memory_region_size(mr);
}
static const TypeInfo memory_device_info = {