[controller] fix 30260 (project-chip#30864)

Author: erjiaqing

src/controller/AutoCommissioner.cpp

@@ -828,10 +828,10 @@ CHIP_ERROR AutoCommissioner::CommissioningStepFinished(CHIP_ERROR err, Commissio
             return NOCChainGenerated(report.Get<NocChain>().noc, report.Get<NocChain>().icac, report.Get<NocChain>().rcac,
                                      report.Get<NocChain>().ipk, report.Get<NocChain>().adminSubject);
         case CommissioningStage::kICDGetRegistrationInfo:
-            // Noting to od. The ICD registation info is handled elsewhere.
+            // Noting to do. The ICD registation info is handled elsewhere.
             break;
         case CommissioningStage::kICDRegistration:
-            // Noting to od. DevicePairingDelegate will handle this.
+            // Noting to do. DevicePairingDelegate will handle this.
             break;
         case CommissioningStage::kICDSendStayActive:
             // Nothing to do.

src/controller/CHIPDeviceController.cpp

@@ -1177,19 +1177,25 @@ void DeviceCommissioner::OnICDManagementRegisterClientResponse(
     void * context, const app::Clusters::IcdManagement::Commands::RegisterClientResponse::DecodableType & data)
 {
     DeviceCommissioner * commissioner = static_cast<DeviceCommissioner *>(context);
+    VerifyOrReturn(commissioner != nullptr, ChipLogProgress(Controller, "Command response callback with null context. Ignoring"));
 
-    CommissioningDelegate::CommissioningReport report;
-    auto pairingDelegate         = commissioner->GetPairingDelegate();
-    auto deviceBeingCommissioned = commissioner->mDeviceBeingCommissioned;
-    if (pairingDelegate != nullptr && deviceBeingCommissioned != nullptr)
+    if (commissioner->mCommissioningStage != CommissioningStage::kICDRegistration)
     {
-        pairingDelegate->OnICDRegistrationComplete(deviceBeingCommissioned->GetDeviceId(), data.ICDCounter);
-        commissioner->CommissioningStageComplete(CHIP_NO_ERROR, report);
+        return;
     }
-    else
+
+    if (commissioner->mDeviceBeingCommissioned == nullptr)
     {
-        commissioner->CommissioningStageComplete(CHIP_ERROR_INCORRECT_STATE, report);
+        return;
     }
+
+    if (commissioner->mPairingDelegate != nullptr)
+    {
+        commissioner->mPairingDelegate->OnICDRegistrationComplete(commissioner->mDeviceBeingCommissioned->GetDeviceId(),
+                                                                  data.ICDCounter);
+    }
+    CommissioningDelegate::CommissioningReport report;
+    commissioner->CommissioningStageComplete(CHIP_NO_ERROR, report);
 }
 
 bool DeviceCommissioner::ExtendArmFailSafe(DeviceProxy * proxy, CommissioningStage step, uint16_t armFailSafeTimeout,