[Qemu-commits] [COMMIT 4bfd171] qemu/msi: clean used vectors state on load

[Anthony Liguori]

From: Michael S. Tsirkin <address@hidden>

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 <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>

diff --git a/hw/msix.c b/hw/msix.c
index e130857..47e0140 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);
 }