Silence trivial Coverity warnings

opal/mca/pmix/pmix3x/pmix/src/buffer_ops/unpack.c

@@ -682,7 +682,7 @@ pmix_status_t pmix_bfrop_unpack_status(pmix_buffer_t *buffer, void *dest,
             break;
         case PMIX_DATA_ARRAY:
             /* this is now a pointer, so allocate storage for it */
-            val->data.darray = (pmix_data_array_t*)malloc(sizeof(val->data.darray));
+            val->data.darray = (pmix_data_array_t*)malloc(sizeof(pmix_data_array_t));
             if (NULL == val->data.darray) {
                 return PMIX_ERR_NOMEM;
             }
@@ -698,7 +698,7 @@ pmix_status_t pmix_bfrop_unpack_status(pmix_buffer_t *buffer, void *dest,
         /**** DEPRECATED ****/
         case PMIX_INFO_ARRAY:
             /* this field is now a pointer, so we must allocate storage for it */
-            val->data.array = (pmix_info_array_t*)malloc(sizeof(val->data.array));
+            val->data.array = (pmix_info_array_t*)malloc(sizeof(pmix_info_array_t));
             if (NULL == val->data.array) {
                 return PMIX_ERR_NOMEM;
             }

opal/mca/pmix/pmix3x/pmix3x_client.c

@@ -258,6 +258,7 @@ int pmix3x_fence(opal_list_t *procs, int collect_data)
                 }
             }
             if (NULL == job) {
+                PMIX_PROC_FREE(parray, cnt);
                 return OPAL_ERR_NOT_FOUND;
             }
             (void)strncpy(parray[n].nspace, job->nspace, PMIX_MAX_NSLEN);