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remove devices from driver->activePciHostdevs when qemuPrepareHostdevPCIDevices() failed

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We should not mark pci devices as active when qemuPrepareHostdevPCIDevices()
failed.
This commit is contained in:
Wen Congyang 2011-03-28 15:01:14 +08:00
parent d5981f1caf
commit 115498597a
1 changed files with 18 additions and 3 deletions
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21
src/qemu/qemu_hostdev.c
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@ -112,7 +112,7 @@ int qemuPrepareHostdevPCIDevices(struct qemud_driver *driver,
if (!(pcidevs = qemuGetPciHostDeviceList(hostdevs, nhostdevs)))
return -1;
/* We have to use 3 loops here. *All* devices must
/* We have to use 4 loops here. *All* devices must
* be detached before we reset any of them, because
* in some cases you have to reset the whole PCI,
* which impacts all devices on it. Also, all devices
@ -145,14 +145,29 @@ int qemuPrepareHostdevPCIDevices(struct qemud_driver *driver,
/* Now mark all the devices as active */
for (i = 0; i < pciDeviceListCount(pcidevs); i++) {
pciDevice *dev = pciDeviceListGet(pcidevs, i);
pciDeviceListSteal(pcidevs, dev);
if (pciDeviceListAdd(driver->activePciHostdevs, dev) < 0) {
pciFreeDevice(dev);
goto cleanup;
goto inactivedevs;
}
}
/* Now steal all the devices from pcidevs */
for (i = 0; i < pciDeviceListCount(pcidevs); i++) {
pciDevice *dev = pciDeviceListGet(pcidevs, i);
pciDeviceListSteal(pcidevs, dev);
}
ret = 0;
goto cleanup;
inactivedevs:
/* Only steal all the devices from driver->activePciHostdevs. We will
* free them in pciDeviceListFree().
*/
for (i = 0; i < pciDeviceListCount(pcidevs); i++) {
pciDevice *dev = pciDeviceListGet(pcidevs, i);
pciDeviceListSteal(driver->activePciHostdevs, dev);
}
cleanup:
pciDeviceListFree(pcidevs);