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request: correctly handle MPI_COMM_NULL #12944

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Merged
merged 1 commit into from
Dec 17, 2024
Merged

request: correctly handle MPI_COMM_NULL #12944

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6 changes: 4 additions & 2 deletions ompi/request/request.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,8 @@
* Copyright (c) 2012 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2015-2024 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2018 FUJITSU LIMITED. All rights reserved.
* Copyright (c) 2018 Triad National Security, LLC. All rights
* reserved.
Expand Down Expand Up @@ -267,6 +267,8 @@ bool ompi_request_check_same_instance(ompi_request_t** requests,
base_instance = req->req_mpi_object.comm->instance;
continue;
}
if(&ompi_mpi_comm_null.comm == req->req_mpi_object.comm)
continue;
if(base_instance != req->req_mpi_object.comm->instance)
return false;
}
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