diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 62d4722..e72fb64 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -315,6 +315,11 @@
 		return NULL;
 
 	wq->cpu_wq = alloc_percpu(struct cpu_workqueue_struct);
+	if (!wq->cpu_wq) {
+		kfree(wq);
+		return NULL;
+	}
+
 	wq->name = name;
 	/* We don't need the distraction of CPUs appearing and vanishing. */
 	lock_cpu_hotplug();