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osc/rdma: fix segmentation fault when running 1 ppn #1025

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Merged
merged 1 commit into from
Oct 14, 2015
Merged

osc/rdma: fix segmentation fault when running 1 ppn #1025

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10 changes: 9 additions & 1 deletion ompi/mca/osc/rdma/osc_rdma_component.c
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Original file line number Diff line number Diff line change
Expand Up @@ -407,7 +407,15 @@ static int allocate_state_single (ompi_osc_rdma_module_t *module, void **base, s
module->free_after = module->rank_array;
my_peer->flags |= OMPI_OSC_RDMA_PEER_LOCAL_BASE;
my_peer->state = (uint64_t) (uintptr_t) module->state;
my_peer->state_handle = module->state_handle;

if (module->selected_btl->btl_flags & MCA_BTL_ATOMIC_SUPPORTS_GLOB) {
/* all peers are local or it is safe to mix cpu and nic atomics */
my_peer->flags |= OMPI_OSC_RDMA_PEER_LOCAL_STATE;
} else {
/* use my endpoint handle to modify the peer's state */
my_peer->state_handle = module->state_handle;
my_peer->state_endpoint = ompi_osc_rdma_peer_btl_endpoint (module, my_rank);
}

if (MPI_WIN_FLAVOR_DYNAMIC != module->flavor) {
ompi_osc_rdma_peer_extended_t *ex_peer = (ompi_osc_rdma_peer_extended_t *) my_peer;
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