diff options
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index f98b6b3a2804..0c05b8a99806 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -371,6 +371,9 @@ static struct hist_field *create_hist_field(struct ftrace_event_field *field, goto out; } + if (WARN_ON_ONCE(!field)) + goto out; + if (is_string_field(field)) { flags |= HIST_FIELD_FL_STRING; |