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-rw-r--r--backends/hostmem.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/backends/hostmem.c b/backends/hostmem.c
index 99e8f99da8..b7b6cf8f4a 100644
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -335,12 +335,26 @@ host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
}
}
+static bool
+host_memory_backend_can_be_deleted(UserCreatable *uc, Error **errp)
+{
+ MemoryRegion *mr;
+
+ mr = host_memory_backend_get_memory(MEMORY_BACKEND(uc), errp);
+ if (memory_region_is_mapped(mr)) {
+ return false;
+ } else {
+ return true;
+ }
+}
+
static void
host_memory_backend_class_init(ObjectClass *oc, void *data)
{
UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
ucc->complete = host_memory_backend_memory_complete;
+ ucc->can_be_deleted = host_memory_backend_can_be_deleted;
}
static const TypeInfo host_memory_backend_info = {