1 files changed, 8 insertions, 4 deletions

diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 863139327816..19bfc75d467e 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -130,6 +130,7 @@ struct tracer boot_tracer __read_mostly =
 void trace_boot_call(struct boot_trace_call *bt, initcall_t fn)
 {
         struct ring_buffer_event *event;
+        struct ring_buffer *buffer;
         struct trace_boot_call *entry;
         struct trace_array *tr = boot_trace;
 
@@ -142,13 +143,14 @@ void trace_boot_call(struct boot_trace_call *bt, initcall_t fn)
         sprint_symbol(bt->func, (unsigned long)fn);
         preempt_disable();
 
-        event = trace_buffer_lock_reserve(tr, TRACE_BOOT_CALL,
+        buffer = tr->buffer;
+        event = trace_buffer_lock_reserve(buffer, TRACE_BOOT_CALL,
                                           sizeof(*entry), 0, 0);
         if (!event)
                 goto out;
         entry   = ring_buffer_event_data(event);
         entry->boot_call = *bt;
-        trace_buffer_unlock_commit(tr, event, 0, 0);
+        trace_buffer_unlock_commit(buffer, event, 0, 0);
  out:
         preempt_enable();
 }
@@ -156,6 +158,7 @@ void trace_boot_call(struct boot_trace_call *bt, initcall_t fn)
 void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn)
 {
         struct ring_buffer_event *event;
+        struct ring_buffer *buffer;
         struct trace_boot_ret *entry;
         struct trace_array *tr = boot_trace;
 
@@ -165,13 +168,14 @@ void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn)
         sprint_symbol(bt->func, (unsigned long)fn);
         preempt_disable();
 
-        event = trace_buffer_lock_reserve(tr, TRACE_BOOT_RET,
+        buffer = tr->buffer;
+        event = trace_buffer_lock_reserve(buffer, TRACE_BOOT_RET,
                                           sizeof(*entry), 0, 0);
         if (!event)
                 goto out;
         entry   = ring_buffer_event_data(event);
         entry->boot_ret = *bt;
-        trace_buffer_unlock_commit(tr, event, 0, 0);
+        trace_buffer_unlock_commit(buffer, event, 0, 0);
  out:
         preempt_enable();
 }