X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Flib%2Flttng-ctl%2Ffilter%2Ffilter-visitor-set-parent.c;h=458688da44a13b4d924be20162b7d15e46f575eb;hp=bd5e5a343cc884a9c7ff4c8223489cf4b23416fd;hb=1d8d032800b64945d90c7b5a7b8e9316e733a4b1;hpb=a187da1ab55a90f95fed8a29ed232b344f0d32b2

diff --git a/src/lib/lttng-ctl/filter/filter-visitor-set-parent.c b/src/lib/lttng-ctl/filter/filter-visitor-set-parent.c
index bd5e5a343..458688da4 100644
--- a/src/lib/lttng-ctl/filter/filter-visitor-set-parent.c
+++ b/src/lib/lttng-ctl/filter/filter-visitor-set-parent.c
@@ -36,6 +36,11 @@ int update_child(struct filter_node *parent,
 		struct filter_node *old_child,
 		struct filter_node *new_child)
 {
+	if (!parent) {
+		fprintf(stderr, "[error] %s: NULL parent\n", __func__);
+		return -EINVAL;
+	}
+
 	switch (parent->type) {
 	case NODE_UNKNOWN:
 	default:
@@ -93,7 +98,8 @@ int recursive_visit_set_parent(struct filter_node *node,
 			return -EINVAL;
 		case AST_EXP_NESTED:
 			return recursive_visit_set_parent(node->u.expression.u.child, node);
-		case AST_EXP_IDENTIFIER:
+		case AST_EXP_IDENTIFIER:	/* fall-through */
+		case AST_EXP_GLOBAL_IDENTIFIER:
 			{
 				struct filter_node *orig_node = node;
 
@@ -102,7 +108,8 @@ int recursive_visit_set_parent(struct filter_node *node,
 
 					prev = node->u.expression.prev;
 					if (prev->type != NODE_EXPRESSION ||
-						prev->u.expression.type != AST_EXP_IDENTIFIER) {
+						(prev->u.expression.type != AST_EXP_IDENTIFIER
+						&& prev->u.expression.type != AST_EXP_GLOBAL_IDENTIFIER)) {
 						fprintf(stderr, "[error] %s: expecting identifier before link\n", __func__);
 						return -EINVAL;
 					}