From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 1 Mar 2022 17:58:18 +0000 (-0700)
Subject: Check MPI error codes.
X-Git-Tag: v9.4.0-rc1~424^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd5f5e6b1f16f01285ecc65040e2b4513c0d1cd7;p=dealii.git

Check MPI error codes.
---

diff --git a/tests/fullydistributed_grids/repartitioning_05.cc b/tests/fullydistributed_grids/repartitioning_05.cc
index 89f4451e74..f3810754ef 100644
--- a/tests/fullydistributed_grids/repartitioning_05.cc
+++ b/tests/fullydistributed_grids/repartitioning_05.cc
@@ -46,13 +46,15 @@ create_sub_comm(const MPI_Comm &comm, const unsigned int size)
   int color = rank < size;
 
   MPI_Comm sub_comm;
-  MPI_Comm_split(comm, color, rank, &sub_comm);
+  int      ierr = MPI_Comm_split(comm, color, rank, &sub_comm);
+  AssertThrowMPI(ierr);
 
   if (rank < size)
     return sub_comm;
   else
     {
-      MPI_Comm_free(&sub_comm);
+      ierr = MPI_Comm_free(&sub_comm);
+      AssertThrowMPI(ierr);
       return MPI_COMM_NULL;
     }
 }
@@ -135,7 +137,10 @@ test(const MPI_Comm comm, const unsigned int n_partitions)
   print_statistics(dof_handler);
 
   if (sub_comm != MPI_COMM_NULL)
-    MPI_Comm_free(&sub_comm);
+    {
+      const int ierr = MPI_Comm_free(&sub_comm);
+      AssertThrowMPI(ierr);
+    }
 }