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-rw-r--r--kernel/trace/ring_buffer.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index da2c59d8f486..79d6012bb1f1 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -3373,12 +3373,16 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu)
3373 3373
3374 spin_lock_irqsave(&cpu_buffer->reader_lock, flags); 3374 spin_lock_irqsave(&cpu_buffer->reader_lock, flags);
3375 3375
3376 if (RB_WARN_ON(cpu_buffer, local_read(&cpu_buffer->committing)))
3377 goto out;
3378
3376 __raw_spin_lock(&cpu_buffer->lock); 3379 __raw_spin_lock(&cpu_buffer->lock);
3377 3380
3378 rb_reset_cpu(cpu_buffer); 3381 rb_reset_cpu(cpu_buffer);
3379 3382
3380 __raw_spin_unlock(&cpu_buffer->lock); 3383 __raw_spin_unlock(&cpu_buffer->lock);
3381 3384
3385 out:
3382 spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); 3386 spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
3383 3387
3384 atomic_dec(&cpu_buffer->record_disabled); 3388 atomic_dec(&cpu_buffer->record_disabled);