[Qemu-devel] [PATCH v2 3/3] pci hotplug: make pci hotplug return value to caller.

[Isaku Yamahata]

make pci hotplug callback return value to caller.
And when returning error, allocated resources are freed.

Signed-off-by: Isaku Yamahata <yamah...@valinux.co.jp>
---
 hw/pci.c |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/hw/pci.c b/hw/pci.c
index 75acbd3..76418c5 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1626,8 +1626,16 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo 
*base)
         pci_dev->romfile = qemu_strdup(info->romfile);
     pci_add_option_rom(pci_dev);
 
-    if (qdev->hotplugged)
-        bus->hotplug(bus->hotplug_qdev, pci_dev, 1);
+    if (qdev->hotplugged) {
+        rc = bus->hotplug(bus->hotplug_qdev, pci_dev, 1);
+        if (rc != 0) {
+            int rc1 = pci_unregister_device(&pci_dev->qdev);
+            if (rc1) {
+                error_report("pci_unregister_device failed in 
pci_qdev_init.\n");
+            }
+            return rc;
+        }
+    }
     return 0;
 }
 
@@ -1635,8 +1643,7 @@ static int pci_unplug_device(DeviceState *qdev)
 {
     PCIDevice *dev = DO_UPCAST(PCIDevice, qdev, qdev);
 
-    dev->bus->hotplug(dev->bus->hotplug_qdev, dev, 0);
-    return 0;
+    return dev->bus->hotplug(dev->bus->hotplug_qdev, dev, 0);
 }
 
 void pci_qdev_register(PCIDeviceInfo *info)
-- 
1.6.6.1