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Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r--kernel/trace/trace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 672a749dbba6..97bf54027b09 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -649,7 +649,7 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
void
update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
{
- struct ring_buffer *buf = tr->buffer;
+ struct ring_buffer *buf;
if (trace_stop_count)
return;
@@ -661,6 +661,7 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
}
arch_spin_lock(&ftrace_max_lock);
+ buf = tr->buffer;
tr->buffer = max_tr.buffer;
max_tr.buffer = buf;