---

yaml --- r: 158477 b: refs/heads/master c: 41b6a95 h: refs/heads/master i: 158475: 2f01207 v: v3
git-mirror · Sep 4, 2009 · b33802a · b33802a
1 parent 9660e07
commit b33802a
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8e254c1d183f0225ad21f9049641529e56cce4da
+refs/heads/master: 41b6a95d693319f804607b559893fbbd27498548
diff --git a/trunk/kernel/trace/ring_buffer.c b/trunk/kernel/trace/ring_buffer.c
@@ -3373,12 +3373,16 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu)
 
 	spin_lock_irqsave(&cpu_buffer->reader_lock, flags);
 
+	if (RB_WARN_ON(cpu_buffer, local_read(&cpu_buffer->committing)))
+		goto out;
+
 	__raw_spin_lock(&cpu_buffer->lock);
 
 	rb_reset_cpu(cpu_buffer);
 
 	__raw_spin_unlock(&cpu_buffer->lock);
 
+ out:
 	spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
 
 	atomic_dec(&cpu_buffer->record_disabled);