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=91c89dccb81b633463a0169d18af0d187530b25d;hb=1d8d032800b64945d90c7b5a7b8e9316e733a4b1;hpb=1dfd9906a04873e9d381bf559eb8551c203c8a2a

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 91c89dccb..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: