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-rw-r--r--kernel/trace/trace_stack.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index aab277b67fa9..8c3f37e2dc43 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -431,6 +431,8 @@ static __init int stack_trace_init(void)
431 struct dentry *d_tracer; 431 struct dentry *d_tracer;
432 432
433 d_tracer = tracing_init_dentry(); 433 d_tracer = tracing_init_dentry();
434 if (!d_tracer)
435 return 0;
434 436
435 trace_create_file("stack_max_size", 0644, d_tracer, 437 trace_create_file("stack_max_size", 0644, d_tracer,
436 &max_stack_size, &stack_max_size_fops); 438 &max_stack_size, &stack_max_size_fops);