commit a213ff63ead450c3bf3b47497681a1498570fcdd
author Isaku Yamahata <yamahata@valinux.co.jp> Tue Jun 22 11:55:35 2010 +0900
committer Michael S. Tsirkin <mst@redhat.com> Sun Jul 11 23:31:52 2010 +0300
tree 4e045527d666ff2349f9af95bd116cdd0bfb7daf
parent bd57ce8c7b3ab2c74335947e69f1eabc73fae438

pci hotplug: make pci hotplug return value to caller

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

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

hw/pci.c

diff --git a/hw/pci.c b/hw/pci.c
index 645506a..fbba6e3 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1693,8 +1693,14 @@
         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 r = pci_unregister_device(&pci_dev->qdev);
+            assert(!r);
+            return rc;
+        }
+    }
     return 0;
 }
 
@@ -1702,8 +1708,7 @@
 {
     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)