From 18f2971ce403008d5e1c2875b483c9d1778143dc Mon Sep 17 00:00:00 2001 From: Li Feng Date: Mon, 31 Jul 2023 20:10:06 +0800 Subject: [PATCH] vhost: fix the fd leak When the vhost-user reconnect to the backend, the notifer should be cleanup. Otherwise, the fd resource will be exhausted. Fixes: f9a09ca3ea ("vhost: add support for configure interrupt") Signed-off-by: Li Feng Reviewed-by: Raphael Norwitz Message-Id: <20230731121018.2856310-2-fengli@smartx.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Tested-by: Fiona Ebner --- hw/virtio/vhost.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index abf0d03c8d..e2f6ffb446 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -2044,6 +2044,8 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev, bool vrings) event_notifier_test_and_clear( &hdev->vqs[VHOST_QUEUE_NUM_CONFIG_INR].masked_config_notifier); event_notifier_test_and_clear(&vdev->config_notifier); + event_notifier_cleanup( + &hdev->vqs[VHOST_QUEUE_NUM_CONFIG_INR].masked_config_notifier); trace_vhost_dev_stop(hdev, vdev->name, vrings);