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-rw-r--r--kernel/trace/trace.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index fd4ecc2..d141fc9 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2202,6 +2202,8 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
{
struct trace_iterator *iter = filp->private_data;
struct trace_array_cpu *data;
+ struct trace_array *tr = iter->tr;
+ struct tracer *tracer = iter->trace;
static cpumask_t mask;
static int start;
unsigned long flags;
@@ -2274,7 +2276,8 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
cnt = PAGE_SIZE - 1;
memset(iter, 0, sizeof(*iter));
- iter->tr = &global_trace;
+ iter->tr = tr;
+ iter->trace = tracer;
iter->pos = -1;
/*
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