The return value of the libtracefs API used internally has to be
checked and an error message printed in a case of an error.
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@xxxxxxxxx>
---
src/ftracepy-utils.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/ftracepy-utils.c b/src/ftracepy-utils.c
index 85f5bbc..e8411ae 100644
--- a/src/ftracepy-utils.c
+++ b/src/ftracepy-utils.c
@@ -632,8 +632,13 @@ PyObject *PyTep_short_kprobe_print(PyTep *self, PyObject *args,
ret = tep_register_event_handler(self->ptrObj, id, system, event,
kprobe_info_short, NULL);
+ if (ret < 0) {
+ TfsError_fmt(NULL, "Failed to register handler for event %s/%s (%i).",
+ system, event, id);
+ return NULL;
+ }
- return PyLong_FromLong(ret);
+ Py_RETURN_NONE;
}
static bool check_file(struct tracefs_instance *instance, const char *file)
--
2.32.0
|