make ArsEnable port attribute optional

Summary: as titled Differential Revision: D66856091 Privacy Context Container: L1125642 fbshipit-source-id: f688b0d34663f5d09905c97ce6813896a76b9487
facebook · Dec 7, 2024 · f802946 · f802946
1 parent 5c5fb49
commit f802946
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fboss/agent/hw/sai/switch/npu/SaiPortManager.cpp b/fboss/agent/hw/sai/switch/npu/SaiPortManager.cpp
@@ -635,7 +635,7 @@ SaiPortTraits::CreateAttributes SaiPortManager::attributesFromSwPort(
   auto portPfcInfo = getPortPfcAttributes(swPort);
 
 #if SAI_API_VERSION >= SAI_VERSION(1, 14, 0)
-  std::optional<SaiPortTraits::Attributes::ArsEnable> arsEnable = false;
+  std::optional<SaiPortTraits::Attributes::ArsEnable> arsEnable = std::nullopt;
   std::optional<SaiPortTraits::Attributes::ArsPortLoadScalingFactor>
       arsPortLoadScalingFactor = std::nullopt;
   std::optional<SaiPortTraits::Attributes::ArsPortLoadPastWeight>