diff options
| -rw-r--r-- | drivers/s390/crypto/vfio_ap_ops.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index e01f53a3c5b7..1499c2181122 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -794,10 +794,11 @@ err_put_vdev: static void vfio_ap_mdev_link_queue(struct ap_matrix_mdev *matrix_mdev, struct vfio_ap_queue *q) { - if (q) { - q->matrix_mdev = matrix_mdev; - hash_add(matrix_mdev->qtable.queues, &q->mdev_qnode, q->apqn); - } + if (!q || vfio_ap_mdev_get_queue(matrix_mdev, q->apqn)) + return; + + q->matrix_mdev = matrix_mdev; + hash_add(matrix_mdev->qtable.queues, &q->mdev_qnode, q->apqn); } static void vfio_ap_mdev_link_apqn(struct ap_matrix_mdev *matrix_mdev, int apqn) |