Merge pull request #8529 from yasushi-saito/saito-fixnull

Fix a crash during CUDA initialization

Author: gpaulsen

ompi/proc/proc.c

@@ -304,7 +304,7 @@ int ompi_proc_complete_init(void)
     opal_process_name_t wildcard_rank;
     ompi_proc_t *proc;
     int ret, errcode = OMPI_SUCCESS;
-    char *val;
+    char *val = NULL;
 
     opal_mutex_lock (&ompi_proc_lock);
 

opal/mca/btl/smcuda/btl_smcuda.c

@@ -251,6 +251,7 @@ smcuda_btl_first_time_init(mca_btl_smcuda_t *smcuda_btl,
         free(loc);
     } else {
         /* If we have hwloc support, then get accurate information */
+        loc = NULL;
         if (OPAL_SUCCESS == opal_hwloc_base_get_topology()) {
             i = opal_hwloc_base_get_nbobjs_by_type(opal_hwloc_topology,
                                                    HWLOC_OBJ_NODE, 0,