openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

pci: Free the space allocated for the option rom on removal 

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Alex Williamson 2010-06-25 11:10:19 -06:00 committed by Anthony Liguori
parent 04b1665372
commit 230741dcc7
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
hw/pci.c
View File

@ -76,6 +76,7 @@ static struct BusInfo pci_bus_info = {
static void pci_update_mappings(PCIDevice *d);
static void pci_set_irq(void *opaque, int irq_num, int level);
static int pci_add_option_rom(PCIDevice *pdev);
static void pci_del_option_rom(PCIDevice *pdev);
static uint16_t pci_default_sub_vendor_id = PCI_SUBVENDOR_ID_REDHAT_QUMRANET;
static uint16_t pci_default_sub_device_id = PCI_SUBDEVICE_ID_QEMU;
@ -709,6 +710,7 @@ static int pci_unregister_device(DeviceState *dev)
return ret;
pci_unregister_io_regions(pci_dev);
pci_del_option_rom(pci_dev);
do_pci_unregister_device(pci_dev);
return 0;
}
@ -1765,6 +1767,15 @@ static int pci_add_option_rom(PCIDevice *pdev)
return 0;
}
static void pci_del_option_rom(PCIDevice *pdev)
{
if (!pdev->rom_offset)
return;
qemu_ram_free(pdev->rom_offset);
pdev->rom_offset = 0;
}
/* Reserve space and add capability to the linked list in pci config space */
int pci_add_capability_at_offset(PCIDevice *pdev, uint8_t cap_id,
uint8_t offset, uint8_t size)