[RESEND PATCH] virtio-pci: fix vector_irqfd leak in virtio_pci_set_guest_notifiers

[leixiang]

proxy->vector_irqfd did not free when set guest notifier failed.

Signed-off-by: Lei Xiang <leixiang@kylinos.cn>
Tested-by: Zeng Chi <zengchi@kylinos.cn>
Suggested-by: Xie Ming <xieming@kylinos.cn>
---
 hw/virtio/virtio-pci.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index c6b47a9c..4862f83b 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1038,6 +1038,12 @@ 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;
 }
 
-- 


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