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-rw-r--r--kernel/trace/trace.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 757ae6f7e648..2129ab9d2a48 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -610,13 +610,12 @@ void tracing_start(void)
610 return; 610 return;
611 611
612 spin_lock_irqsave(&tracing_start_lock, flags); 612 spin_lock_irqsave(&tracing_start_lock, flags);
613 if (--trace_stop_count) 613 if (--trace_stop_count) {
614 goto out; 614 if (trace_stop_count < 0) {
615 615 /* Someone screwed up their debugging */
616 if (trace_stop_count < 0) { 616 WARN_ON_ONCE(1);
617 /* Someone screwed up their debugging */ 617 trace_stop_count = 0;
618 WARN_ON_ONCE(1); 618 }
619 trace_stop_count = 0;
620 goto out; 619 goto out;
621 } 620 }
622 621