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Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize()
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize() |
Date: |
Fri, 18 Dec 2015 19:01:53 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 |
On 18/12/2015 12:03, Cao jin wrote:
> Signed-off-by: Cao jin <address@hidden>
> ---
> hw/pci-bridge/pci_expander_bridge.c | 24 ++++++++++++++----------
> 1 file changed, 14 insertions(+), 10 deletions(-)
>
> diff --git a/hw/pci-bridge/pci_expander_bridge.c
> b/hw/pci-bridge/pci_expander_bridge.c
> index 57f8a37..cc975f6 100644
> --- a/hw/pci-bridge/pci_expander_bridge.c
> +++ b/hw/pci-bridge/pci_expander_bridge.c
> @@ -145,19 +145,19 @@ static const TypeInfo pxb_host_info = {
> * Returns 0 on successs, -1 if i440fx host was not
> * found or the bus number is already in use.
> */
> -static int pxb_register_bus(PCIDevice *dev, PCIBus *pxb_bus)
> +static int pxb_register_bus(PCIDevice *dev, PCIBus *pxb_bus, Error **errp)
> {
> PCIBus *bus = dev->bus;
> int pxb_bus_num = pci_bus_num(pxb_bus);
>
> if (bus->parent_dev) {
> - error_report("PXB devices can be attached only to root bus.");
> + error_setg(errp, "PXB devices can be attached only to root bus.");
> return -1;
> }
>
> QLIST_FOREACH(bus, &bus->child, sibling) {
> if (pci_bus_num(bus) == pxb_bus_num) {
> - error_report("Bus %d is already in use.", pxb_bus_num);
> + error_setg(errp, "Bus %d is already in use.", pxb_bus_num);
> return -1;
> }
> }
> @@ -193,7 +193,7 @@ static gint pxb_compare(gconstpointer a, gconstpointer b)
> 0;
> }
>
> -static int pxb_dev_initfn(PCIDevice *dev)
> +static void pxb_dev_realize(PCIDevice *dev, Error **errp)
> {
> PXBDev *pxb = PXB_DEV(dev);
> DeviceState *ds, *bds;
> @@ -202,8 +202,8 @@ static int pxb_dev_initfn(PCIDevice *dev)
>
> if (pxb->numa_node != NUMA_NODE_UNASSIGNED &&
> pxb->numa_node >= nb_numa_nodes) {
> - error_report("Illegal numa node %d.", pxb->numa_node);
> - return -EINVAL;
> + error_setg(errp, "Illegal numa node %d.", pxb->numa_node);
> + return;
> }
>
> if (dev->qdev.id && *dev->qdev.id) {
> @@ -225,8 +225,8 @@ static int pxb_dev_initfn(PCIDevice *dev)
>
> PCI_HOST_BRIDGE(ds)->bus = bus;
>
> - if (pxb_register_bus(dev, bus)) {
> - return -EINVAL;
> + if (pxb_register_bus(dev, bus, errp)) {
> + goto err_register_bus;
> }
>
> qdev_init_nofail(ds);
> @@ -237,7 +237,11 @@ static int pxb_dev_initfn(PCIDevice *dev)
> pci_config_set_class(dev->config, PCI_CLASS_BRIDGE_HOST);
>
> pxb_dev_list = g_list_insert_sorted(pxb_dev_list, pxb, pxb_compare);
> - return 0;
> +
> +err_register_bus:
> + object_unref(OBJECT(ds));
> + object_unref(OBJECT(bds));
> + object_unref(OBJECT(bus));
I think these should be object_unparent, not unref.
Paolo
> }
>
> static void pxb_dev_exitfn(PCIDevice *pci_dev)
> @@ -259,7 +263,7 @@ static void pxb_dev_class_init(ObjectClass *klass, void
> *data)
> DeviceClass *dc = DEVICE_CLASS(klass);
> PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
>
> - k->init = pxb_dev_initfn;
> + k->realize = pxb_dev_realize;
> k->exit = pxb_dev_exitfn;
> k->vendor_id = PCI_VENDOR_ID_REDHAT;
> k->device_id = PCI_DEVICE_ID_REDHAT_PXB;
>
- [Qemu-devel] [PATCH 5/5] xen-pvdevice: convert to realize(), (continued)
[Qemu-devel] [PATCH 4/5] gt64120: convert to realize(), Cao jin, 2015/12/18
[Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Cao jin, 2015/12/18
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(),
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Cao jin, 2015/12/20
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Cao jin, 2015/12/21
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Paolo Bonzini, 2015/12/21
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Cao jin, 2015/12/21
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Marcel Apfelbaum, 2015/12/22
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Cao jin, 2015/12/22
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Marcel Apfelbaum, 2015/12/22
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Cao jin, 2015/12/22
- Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Cao jin, 2015/12/22
Re: [Qemu-devel] [PATCH 3/5] PXB: convert to realize(), Marcel Apfelbaum, 2015/12/20