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vhost: fix the fd leak

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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 <fengli@smartx.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20230731121018.2856310-2-fengli@smartx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
This commit is contained in:
Li Feng 2023-07-31 20:10:06 +08:00 committed by Michael S. Tsirkin
parent 348e354417
commit 18f2971ce4
1 changed files with 2 additions and 0 deletions
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2
hw/virtio/vhost.c
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@ -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);