Merge pull request open-mpi#7459 from rhc54/topic/cid

Fix comm_spawn

Author: rhc54

ompi/communicator/comm_cid.c

@@ -909,9 +909,8 @@ static int ompi_comm_allreduce_pmix_reduce_complete (ompi_comm_request_t *reques
     }
 
     PMIX_PDATA_CONSTRUCT(&pdat);
-
-    info.value.type = OPAL_BYTE_OBJECT;
-    pdat.value.type = OPAL_BYTE_OBJECT;
+    PMIX_INFO_CONSTRUCT(&info);
+    info.value.type = PMIX_BYTE_OBJECT;
 
     opal_dss.unload(&sbuf, (void**)&info.value.data.bo.bytes, &rc);
     info.value.data.bo.size = rc;
@@ -959,6 +958,10 @@ static int ompi_comm_allreduce_pmix_reduce_complete (ompi_comm_request_t *reques
         OBJ_DESTRUCT(&pdat);
         return rc;
     }
+    if (PMIX_BYTE_OBJECT != pdat.value.type) {
+        OBJ_DESTRUCT(&pdat);
+        return OPAL_ERR_TYPE_MISMATCH;
+    }
 
     OBJ_CONSTRUCT(&sbuf, opal_buffer_t);
     opal_dss.load(&sbuf, pdat.value.data.bo.bytes, pdat.value.data.bo.size);