diff options
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 66386ba1425f..5b03b9a869bb 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1316,8 +1316,8 @@ static int synth_event_create(int argc, const char **argv) /* This interface accepts group name prefix */ if (strchr(name, '/')) { - len = sizeof(SYNTH_SYSTEM "/") - 1; - if (strncmp(name, SYNTH_SYSTEM "/", len)) + len = str_has_prefix(name, SYNTH_SYSTEM "/"); + if (len == 0) return -EINVAL; name += len; } |