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coll/libnbc: fix MPI_Ireduce_scatter_block for one task communicator #1143

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5 changes: 1 addition & 4 deletions ompi/mca/coll/libnbc/nbc_ireduce_scatter_block.c
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
* Copyright (c) 2012 Sandia National Laboratories. All rights reserved.
* Copyright (c) 2013-2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2014-2015 Research Organization for Information Science
* Copyright (c) 2014-2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
*
* Author(s): Torsten Hoefler <[email protected]>
Expand Down Expand Up @@ -90,9 +90,6 @@ int ompi_coll_libnbc_ireduce_scatter_block(const void* sendbuf, void* recvbuf, i
OBJ_RELEASE(schedule);
return res;
}

*request = &ompi_request_empty;
return OMPI_SUCCESS;
}

for (int r = 1, firstred = 1 ; r <= maxr; ++r) {
Expand Down