X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b88656d61473b580ea70c4b83bcadca3caa09072..15f804cfddebc4fe4b305acd1c66487f2405420d:/src/smpi/include/smpi_topo.hpp?ds=sidebyside

diff --git a/src/smpi/include/smpi_topo.hpp b/src/smpi/include/smpi_topo.hpp
index a0d55adc99..fe58401bb6 100644
--- a/src/smpi/include/smpi_topo.hpp
+++ b/src/smpi/include/smpi_topo.hpp
@@ -15,12 +15,12 @@ namespace simgrid{
 namespace smpi{
 
 class Topo {
-  MPI_Comm comm_;
+  MPI_Comm comm_ = MPI_COMM_NULL;
 
 public:
   virtual ~Topo() = default;
   MPI_Comm getComm() const { return comm_; }
-  void setComm(MPI_Comm comm) { comm_ = comm; }
+  void setComm(MPI_Comm comm);
 };
 
 class Topo_Cart: public Topo {