diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index ba37a566da39a..73d053501fb1d 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -1733,7 +1733,7 @@ struct felix_stream_gate {
 	u64 cycletime;
 	u64 cycletime_ext;
 	u32 num_entries;
-	struct action_gate_entry entries[];
+	struct action_gate_entry entries[] __counted_by(num_entries);
 };
 
 struct felix_stream_gate_entry {