diff options
Diffstat (limited to 'kernel/trace/trace_kprobe.c')
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 9953506370a5..061658518605 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -2048,6 +2048,10 @@ static __init int init_kprobe_trace(void) trace_create_file("kprobe_profile", TRACE_MODE_READ, NULL, NULL, &kprobe_profile_ops); + /* If no 'kprobe_event=' cmd is provided, return directly. */ + if (kprobe_boot_events_buf[0] == '\0') + return 0; + setup_boot_kprobe_events(); return 0; @@ -2079,7 +2083,7 @@ static __init int kprobe_trace_self_tests_init(void) struct trace_kprobe *tk; struct trace_event_file *file; - if (tracing_is_disabled()) + if (unlikely(tracing_disabled)) return -ENODEV; if (tracing_selftest_disabled) |