1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 480c58a63769..0f1a5d02acb0 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -584,7 +584,14 @@ static struct device_type ap_queue_type = {
 
 static void ap_queue_device_release(struct device *dev)
 {
-        kfree(to_ap_queue(dev));
+        struct ap_queue *aq = to_ap_queue(dev);
+
+        if (!list_empty(&aq->list)) {
+                spin_lock_bh(&ap_list_lock);
+                list_del_init(&aq->list);
+                spin_unlock_bh(&ap_list_lock);
+        }
+        kfree(aq);
 }
 
 struct ap_queue *ap_queue_create(ap_qid_t qid, int device_type)