* [PATCH v2] hw/virtio: Fix leak of host-notifier memory-region
@ 2021-08-16 1:32 Yajun Wu via
0 siblings, 0 replies; only message in thread
From: Yajun Wu via @ 2021-08-16 1:32 UTC (permalink / raw)
To: qemu-devel, mst; +Cc: Yajun Wu
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
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2021-08-16 1:34 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-08-16 1:32 [PATCH v2] hw/virtio: Fix leak of host-notifier memory-region Yajun Wu via
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).