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-rw-r--r--include/migration/vmstate.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index ed74dd5624..01790b8d9b 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -1160,7 +1160,7 @@ bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque);
#define VMSTATE_INSTANCE_ID_ANY -1
/* Returns: 0 on success, -1 on failure */
-int vmstate_register_with_alias_id(VMStateIf *obj, int instance_id,
+int vmstate_register_with_alias_id(VMStateIf *obj, uint32_t instance_id,
const VMStateDescription *vmsd,
void *base, int alias_id,
int required_for_version,