---

yaml --- r: 338993 b: refs/heads/master c: b382ede h: refs/heads/master i: 338991: 4b65b08 v: v3
git-mirror · Oct 31, 2012 · d1f9460 · d1f9460
1 parent 2f1c8e1
commit d1f9460
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 884bfe89a462fcc85c8abd96171519cf2fe70929
+refs/heads/master: b382ede6b5eb8188926b72a9ef42fd2354342a97
diff --git a/trunk/kernel/trace/trace.c b/trunk/kernel/trace/trace.c
@@ -1571,6 +1571,9 @@ void trace_printk_init_buffers(void)
 
 	pr_info("ftrace: Allocated trace_printk buffers\n");
 
+	/* Expand the buffers to set size */
+	tracing_update_buffers();
+
 	buffers_allocated = 1;
 }
 
@@ -3030,6 +3033,10 @@ static int __tracing_resize_ring_buffer(unsigned long size, int cpu)
 	 */
 	ring_buffer_expanded = 1;
 
+	/* May be called before buffers are initialized */
+	if (!global_trace.buffer)
+		return 0;
+
 	ret = ring_buffer_resize(global_trace.buffer, size, cpu);
 	if (ret < 0)
 		return ret;