From: Timo Heister <timo.heister@gmail.com>
Date: Wed, 21 Sep 2022 18:51:46 +0000 (-0400)
Subject: use correct MPI type
X-Git-Tag: v9.5.0-rc1~938^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F14236%2Fhead;p=dealii.git

use correct MPI type
---

diff --git a/source/base/data_out_base.cc b/source/base/data_out_base.cc
index 6108f64768..62530545c9 100644
--- a/source/base/data_out_base.cc
+++ b/source/base/data_out_base.cc
@@ -8271,7 +8271,7 @@ DataOutInterface<dim, spacedim>::create_xdmf_entry(
         {
           // send to rank 0
           const std::vector<char> buffer = Utilities::pack(entry, false);
-          ierr = MPI_Send(buffer.data(), buffer.size(), MPI_CHAR, 0, tag, comm);
+          ierr = MPI_Send(buffer.data(), buffer.size(), MPI_BYTE, 0, tag, comm);
           AssertThrowMPI(ierr);
 
           return {};