qemu/msi: clean used vectors state on load

Clean up msix vector usage state on load. Since guest might have control
over it through the device, the device will have to load this state from
file.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/hw/msix.c b/hw/msix.c
index e1308572ef..47e014017c 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -302,6 +302,7 @@ void msix_load(PCIDevice *dev, QEMUFile *f)
         return;
     }
 
+    msix_free_irq_entries(dev);
     qemu_get_buffer(f, dev->msix_table_page, n * MSIX_ENTRY_SIZE);
     qemu_get_buffer(f, dev->msix_table_page + MSIX_PAGE_PENDING, (n + 7) / 8);
 }