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Fix: Possible dereference of null pointers
[deliverable/lttng-tools.git]
/
src
/
lib
/
lttng-ctl
/
filter
/
filter-visitor-set-parent.c
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 91c89dccb81b633463a0169d18af0d187530b25d..458688da44a13b4d924be20162b7d15e46f575eb 100644
(file)
--- 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:
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