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

[Lei Xiang]

From: Lei Xiang <ninollx@hotmail.com>

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 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 45327f0..75188a9 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1058,6 +1058,10 @@ 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;
 }
 
-- 
1.9.1