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[PATCH v2] hw/virtio: Fix leak of host-notifier memory-region
From: |
Yajun Wu |
Subject: |
[PATCH v2] hw/virtio: Fix leak of host-notifier memory-region |
Date: |
Mon, 16 Aug 2021 04:32:35 +0300 |
If call virtio_queue_set_host_notifier_mr fails, should free
host-notifier memory-region.
Fixes: 44866521bd ("vhost-user: support registering external host notifiers")
Signed-off-by: Yajun Wu <yajunw@nvidia.com>
---
hw/virtio/vhost-user.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index aec6cc1..3ae5297 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -1474,6 +1474,7 @@ static int
vhost_user_slave_handle_vring_host_notifier(struct vhost_dev *dev,
g_free(name);
if (virtio_queue_set_host_notifier_mr(vdev, queue_idx, &n->mr, true)) {
+ object_unparent(OBJECT(&n->mr));
munmap(addr, page_size);
return -1;
}
--
1.8.3.1
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