1 files changed, 1 insertions, 5 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c9336e98ac59..a0079b4c7a49 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1360,8 +1360,6 @@ __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;
-
         if (tr->stop_count)
                 return;
 
@@ -1375,9 +1373,7 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 
         arch_spin_lock(&tr->max_lock);
 
-        buf = tr->trace_buffer.buffer;
-        tr->trace_buffer.buffer = tr->max_buffer.buffer;
-        tr->max_buffer.buffer = buf;
+        swap(tr->trace_buffer.buffer, tr->max_buffer.buffer);
 
         __update_max_tr(tr, tsk, cpu);
         arch_spin_unlock(&tr->max_lock);