1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index dfbd86cc4876..0ed4df0c6a39 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4474,6 +4474,9 @@ static void tracing_init_debugfs_percpu(long cpu)
         struct dentry *d_cpu;
         char cpu_dir[30]; /* 30 characters should be more than enough */
 
+        if (!d_percpu)
+                return;
+
         snprintf(cpu_dir, 30, "cpu%ld", cpu);
         d_cpu = debugfs_create_dir(cpu_dir, d_percpu);
         if (!d_cpu) {