Fix ConsensusAlgorithms::Serial

diff --git a/include/deal.II/base/mpi_consensus_algorithms.templates.h b/include/deal.II/base/mpi_consensus_algorithms.templates.h
index 725c611ea0a3e738cb30d02a00e0d27f3238a529..f969d136e1a3bc4e9772dcaa63262ab25674f905 100644 (file)
--- a/include/deal.II/base/mpi_consensus_algorithms.templates.h
+++ b/include/deal.II/base/mpi_consensus_algorithms.templates.h
@@ -575,11 +575,11 @@ namespace Utilities
         std::vector<T1> send_buffer;
         std::vector<T2> recv_buffer;
         std::vector<T2> request_buffer;
-        std::vector<T1> buffer_recv;
 
         this->process.create_request(0, send_buffer);
         this->process.prepare_buffer_for_answer(0, recv_buffer);
-        this->process.answer_request(0, buffer_recv, request_buffer);
+        this->process.answer_request(0, send_buffer, request_buffer);
+        recv_buffer = request_buffer;
         this->process.read_answer(0, recv_buffer);
       }