From: Li Feng <fengli@smartx.com>
To: "Michael S. Tsirkin" <mst@redhat.com>,
qemu-devel@nongnu.org (open list:All patches CC here)
Cc: lifeng1519@gmail.com, Li Feng <fengli@smartx.com>
Subject: [PATCH] vhost: fix the fd leak
Date: Mon, 24 Jul 2023 15:35:01 +0800 [thread overview]
Message-ID: <20230724073503.2808832-1-fengli@smartx.com> (raw)
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>
---
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);
--
2.41.0
reply other threads:[~2023-07-24 7:39 UTC|newest]
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