[PATCH] msix: unset PCIDevice::msix_vector_poll_notifier in rollback

[Robert Hoo]

In the rollback in msix_set_vector_notifiers(), original patch forgot to
undo msix_vector_poll_notifier pointer.

Fixes: bbef882cc193 ("msi: add API to get notified about pending bit poll")
Signed-off-by: Robert Hoo <robert.hoo.linux@gmail.com>
---
 hw/pci/msix.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/pci/msix.c b/hw/pci/msix.c
index ab8869d9d0..cd817f4ca8 100644
--- a/hw/pci/msix.c
+++ b/hw/pci/msix.c
@@ -648,6 +648,7 @@ undo:
     }
     dev->msix_vector_use_notifier = NULL;
     dev->msix_vector_release_notifier = NULL;
+    dev->msix_vector_poll_notifier = NULL;
     return ret;
 }
 
-- 
2.39.3