diff --git a/task/control-plane-agent/src/dump.rs b/task/control-plane-agent/src/dump.rs
index 400931dfc..095fd3a45 100644
--- a/task/control-plane-agent/src/dump.rs
+++ b/task/control-plane-agent/src/dump.rs
@@ -165,6 +165,19 @@ impl DumpState {
key: [u8; 16],
seq: u32,
buf: &mut [u8],
+ ) -> Result