pci: memory leak of PCIDevice::rom_file

PCIDevice::rom_file is leaked.
PCIDevice::rom_file is allocated in pci_qdev_init(), but not freed anywhere.
free it in qemu_unregister_device().

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/hw/pci.c b/hw/pci.c
index b8f5385170..044c4bde45 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -833,6 +833,7 @@ static int pci_unregister_device(DeviceState *dev)
 
     pci_unregister_io_regions(pci_dev);
     pci_del_option_rom(pci_dev);
+    qemu_free(pci_dev->romfile);
     do_pci_unregister_device(pci_dev);
     return 0;
 }