From: leixiang <leixiang@kylinos.cn>
Date: Tue, 27 Dec 2022 08:16:04 +0000 (+0800)
Subject: virtio-pci: fix proxy->vector_irqfd leak in virtio_pci_set_guest_notifiers
X-Git-Tag: xenpvh-tag~49^2~8
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4396d4bd74ade31f4de9357dca3d87409280c4ac;p=users%2Fdwmw2%2Fqemu.git

virtio-pci: fix proxy->vector_irqfd leak in virtio_pci_set_guest_notifiers

proxy->vector_irqfd did not free when kvm_virtio_pci_vector_use or
msix_set_vector_notifiers failed in virtio_pci_set_guest_notifiers.

Fixes: 7d37d351

Signed-off-by: Lei Xiang <leixiang@kylinos.cn>
Tested-by: Zeng Chi <zengchi@kylinos.cn>
Suggested-by: Xie Ming <xieming@kylinos.cn>
Message-Id: <20221227081604.806415-1-leixiang@kylinos.cn>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 7bc60fcf94..247325c193 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1291,6 +1291,8 @@ assign_error:
     while (--n >= 0) {
         virtio_pci_set_guest_notifier(d, n, !assign, with_irqfd);
     }
+    g_free(proxy->vector_irqfd);
+    proxy->vector_irqfd = NULL;
     return r;
 }