coll/hcoll: bugfix: initialize req_type field

Valentin Petrov · Valentin Petrov · commit 5ff6372886e9 · 2016-05-25T15:38:01.000+03:00
If left uninitialized then segfault is possible in MPI_Waitall in
    the case the field by chance equals OMPI_REQUEST_GEN.
diff --git a/ompi/mca/coll/hcoll/coll_hcoll_rte.c b/ompi/mca/coll/hcoll/coll_hcoll_rte.c
@@ -408,6 +408,7 @@ static void* get_coll_handle(void)
     ompi_req->req_status.MPI_ERROR = MPI_SUCCESS;
     ompi_req->req_state = OMPI_REQUEST_ACTIVE;
     ompi_req->req_free = request_free;
+    ompi_req->req_type = OMPI_REQUEST_COLL;
     return (void *)ompi_req;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -408,6 +408,7 @@ static void* get_coll_handle(void)`
`408`	`408`	`ompi_req->req_status.MPI_ERROR = MPI_SUCCESS;`
`409`	`409`	`ompi_req->req_state = OMPI_REQUEST_ACTIVE;`
`410`	`410`	`ompi_req->req_free = request_free;`
	`411`	`+ ompi_req->req_type = OMPI_REQUEST_COLL;`
`411`	`412`	`return (void *)ompi_req;`
`412`	`413`	`}`
`413`	`414`