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Diffstat (limited to 'kernel/trace/trace_eprobe.c')
-rw-r--r--kernel/trace/trace_eprobe.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c
index 5dd0617e5df6..352b65e2b910 100644
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c
@@ -52,6 +52,7 @@ static void trace_event_probe_cleanup(struct trace_eprobe *ep)
kfree(ep->event_system);
if (ep->event)
trace_event_put_ref(ep->event);
+ kfree(ep->filter_str);
kfree(ep);
}
@@ -563,6 +564,9 @@ static void eprobe_trigger_func(struct event_trigger_data *data,
{
struct eprobe_data *edata = data->private_data;
+ if (unlikely(!rec))
+ return;
+
__eprobe_trace_func(edata, rec);
}
@@ -642,7 +646,7 @@ new_eprobe_trigger(struct trace_eprobe *ep, struct trace_event_file *file)
INIT_LIST_HEAD(&trigger->list);
if (ep->filter_str) {
- ret = create_event_filter(file->tr, file->event_call,
+ ret = create_event_filter(file->tr, ep->event,
ep->filter_str, false, &filter);
if (ret)
goto error;
@@ -900,7 +904,7 @@ static int trace_eprobe_tp_update_arg(struct trace_eprobe *ep, const char *argv[
static int trace_eprobe_parse_filter(struct trace_eprobe *ep, int argc, const char *argv[])
{
- struct event_filter *dummy;
+ struct event_filter *dummy = NULL;
int i, ret, len = 0;
char *p;