internal/ethapi: return vmError()

internal/ethapi/api.go

@@ -868,7 +868,7 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.Blo
 			return nil, fmt.Errorf("execution reverted: %v", reason)
 		}
 	}
-	return result, result.Err
+	return result, err
 }
 
 // Call executes the given transaction on the state for the given block number.