linting

api/edge/bff/internal/server/walletapiimp/balance.go

@@ -223,6 +223,7 @@ func (a *WalletAPI) queryBalanceFromGateways(ctx context.Context, gateways []dis
 	a.logger.Debug("Wallet balance fan-out completed without result",
 		zap.String("organization_ref", organizationRef),
 		zap.String("wallet_ref", walletRef))
+	//nolint:nilnil // No gateway returned a balance and no hard error occurred.
 	return nil, nil
 }
 
@@ -238,7 +239,11 @@ func (a *WalletAPI) queryGatewayBalance(ctx context.Context, gateway discovery.G
 	if err != nil {
 		return nil, merrors.InternalWrap(err, "dial gateway")
 	}
-	defer conn.Close()
+	defer func() {
+		if closeErr := conn.Close(); closeErr != nil {
+			a.logger.Warn("Failed to close gateway connection", zap.Error(closeErr), zap.String("gateway", gateway.ID))
+		}
+	}()
 
 	client := connectorv1.NewConnectorServiceClient(conn)