diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index dfbd86cc4876d2ad1e323842bdd3192e5e54e9cb..0ed4df0c6a39fd8c507a79f95a0e87fbccd3d34a 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) {