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authorWei Jiangang <weijg.fnst@cn.fujitsu.com>2016-03-23 15:26:19 +0800
committerMichael S. Tsirkin <mst@redhat.com>2016-04-07 19:57:33 +0300
commit2e4278b534997d8f33a6e8b7923c168f5e5c89c7 (patch)
treebded7f4b03e82a070168f094dceb91c877b0d4d4
parenta378b49a4338ef61b86f4c74a1069036c7409141 (diff)
downloadfocaccia-qemu-2e4278b534997d8f33a6e8b7923c168f5e5c89c7.tar.gz
focaccia-qemu-2e4278b534997d8f33a6e8b7923c168f5e5c89c7.zip
hw/pci-bridge: Add missing unref in case register-bus fails
The error paths after a successful qdev_create/pci_bus_new
should contain a object_unref/object_unparent.
pxb_dev_init_common() did not yet, so add it.

Signed-off-by: Wei Jiangang <weijg.fnst@cn.fujitsu.com>
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
-rw-r--r--hw/pci-bridge/pci_expander_bridge.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c
index 5e7e546b99..ba320bd857 100644
--- a/hw/pci-bridge/pci_expander_bridge.c
+++ b/hw/pci-bridge/pci_expander_bridge.c
@@ -249,7 +249,7 @@ static int pxb_dev_init_common(PCIDevice *dev, bool pcie)
     PCI_HOST_BRIDGE(ds)->bus = bus;
 
     if (pxb_register_bus(dev, bus)) {
-        return -EINVAL;
+        goto err_register_bus;
     }
 
     qdev_init_nofail(ds);
@@ -263,6 +263,12 @@ static int pxb_dev_init_common(PCIDevice *dev, bool pcie)
 
     pxb_dev_list = g_list_insert_sorted(pxb_dev_list, pxb, pxb_compare);
     return 0;
+
+err_register_bus:
+    object_unref(OBJECT(bds));
+    object_unparent(OBJECT(bus));
+    object_unref(OBJECT(ds));
+    return -EINVAL;
 }
 
 static int pxb_dev_initfn(PCIDevice *dev)