From: Li Qiang <liqiang6-s@360.cn>
Date: Tue, 13 Sep 2016 03:20:03 -0700
Subject: [PATCH] usb:xhci:fix memory leak in usb_xhci_exit

If the xhci uses msix, it doesn't free the corresponding
memory, thus leading a memory leak. This patch avoid this.

Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Message-id: 57d7d2e0.d4301c0a.d13e9.9a55@mx.google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit b53dd4495ced2432a0b652ea895e651d07336f7e)
---
 hw/usb/hcd-xhci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 43ba615..510a3e1 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -3689,8 +3689,7 @@ static void usb_xhci_exit(PCIDevice *dev)
     /* destroy msix memory region */
     if (dev->msix_table && dev->msix_pba
         && dev->msix_entry_used) {
-        memory_region_del_subregion(&xhci->mem, &dev->msix_table_mmio);
-        memory_region_del_subregion(&xhci->mem, &dev->msix_pba_mmio);
+        msix_uninit(dev, &xhci->mem, &xhci->mem);
     }
 
     usb_bus_release(&xhci->bus);