diff options
Diffstat (limited to 'kernel/trace/trace_events_hist.c')
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index c1abd63f1d6c..ba03b7d84fc2 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -2434,12 +2434,12 @@ create_field_var_hist(struct hist_trigger_data *target_hist_data, char *subsys_name, char *event_name, char *field_name) { struct trace_array *tr = target_hist_data->event_file->tr; - struct hist_field *event_var = ERR_PTR(-EINVAL); struct hist_trigger_data *hist_data; unsigned int i, n, first = true; struct field_var_hist *var_hist; struct trace_event_file *file; struct hist_field *key_field; + struct hist_field *event_var; char *saved_filter; char *cmd; int ret; @@ -5232,6 +5232,7 @@ static void unregister_field_var_hists(struct hist_trigger_data *hist_data) cmd = hist_data->field_var_hists[i]->cmd; ret = event_hist_trigger_func(&trigger_hist_cmd, file, "!hist", "hist", cmd); + WARN_ON_ONCE(ret < 0); } } |