diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 6a380fb83864..45622194a34d 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1878,6 +1878,11 @@ int synth_event_trace(struct trace_event_file *file, unsigned int n_vals, ...) return ret; } + if (n_vals != state.event->n_fields) { + ret = -EINVAL; + goto out; + } + va_start(args, n_vals); for (i = 0, n_u64 = 0; i < state.event->n_fields; i++) { u64 val; @@ -1914,7 +1919,7 @@ int synth_event_trace(struct trace_event_file *file, unsigned int n_vals, ...) } } va_end(args); - +out: __synth_event_trace_end(&state); return ret; @@ -1953,6 +1958,11 @@ int synth_event_trace_array(struct trace_event_file *file, u64 *vals, return ret; } + if (n_vals != state.event->n_fields) { + ret = -EINVAL; + goto out; + } + for (i = 0, n_u64 = 0; i < state.event->n_fields; i++) { if (state.event->fields[i]->is_string) { char *str_val = (char *)(long)vals[i]; @@ -1984,7 +1994,7 @@ int synth_event_trace_array(struct trace_event_file *file, u64 *vals, n_u64++; } } - +out: __synth_event_trace_end(&state); return ret; |