1 files changed, 5 insertions, 3 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index ed7b5d1e12f4..2a22255c1010 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4629,7 +4629,8 @@ static ssize_t
 rb_simple_read(struct file *filp, char __user *ubuf,
                size_t cnt, loff_t *ppos)
 {
-        struct ring_buffer *buffer = filp->private_data;
+        struct trace_array *tr = filp->private_data;
+        struct ring_buffer *buffer = tr->buffer;
         char buf[64];
         int r;
 
@@ -4647,7 +4648,8 @@ static ssize_t
 rb_simple_write(struct file *filp, const char __user *ubuf,
                 size_t cnt, loff_t *ppos)
 {
-        struct ring_buffer *buffer = filp->private_data;
+        struct trace_array *tr = filp->private_data;
+        struct ring_buffer *buffer = tr->buffer;
         unsigned long val;
         int ret;
 
@@ -4734,7 +4736,7 @@ static __init int tracer_init_debugfs(void)
                           &trace_clock_fops);
 
         trace_create_file("tracing_on", 0644, d_tracer,
-                            global_trace.buffer, &rb_simple_fops);
+                            &global_trace, &rb_simple_fops);
 
 #ifdef CONFIG_DYNAMIC_FTRACE
         trace_create_file("dyn_ftrace_total_info", 0444, d_tracer,