+
+ /*
+ * COMMENT is optional, don't bail if it's not
+ * there, instead, set it to NULL.
+ */
+ if (nvlist_lookup_string(tmp,
+ ZPOOL_CONFIG_COMMENT, &comment) != 0)
+ comment = NULL;
+ else if (nvlist_add_string(config,
+ ZPOOL_CONFIG_COMMENT, comment) != 0)
+ goto nomem;
+