Re: [Qemu-devel] [PATCH 03/16] ipack: Pass size to ipack_bus_new_inplace()

[Wenchao Xia <xiawenc@linux.vnet.ibm.com>]

 > To be passed to qbus_create_inplace().
>
> Simplify DEVICE() cast to avoid parent field access.
   s->dev will always point to pci_dev, so this change is safe.

Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>


>
> Signed-off-by: Andreas Färber <afaerber@suse.de>
> ---
>   hw/char/ipack.c   | 3 ++-
>   hw/char/ipack.h   | 3 ++-
>   hw/char/tpci200.c | 2 +-
>   3 files changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/hw/char/ipack.c b/hw/char/ipack.c
> index f890471..5fb7073 100644
> --- a/hw/char/ipack.c
> +++ b/hw/char/ipack.c
> @@ -24,7 +24,8 @@ IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot)
>       return NULL;
>   }
>
> -void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,
> +void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size,
> +                           DeviceState *parent,
>                              const char *name, uint8_t n_slots,
>                              qemu_irq_handler handler)
>   {
> diff --git a/hw/char/ipack.h b/hw/char/ipack.h
> index f2b7a12..f8dc0f2 100644
> --- a/hw/char/ipack.h
> +++ b/hw/char/ipack.h
> @@ -72,7 +72,8 @@ extern const VMStateDescription vmstate_ipack_device;
>       VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)
>
>   IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);
> -void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,
> +void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size,
> +                           DeviceState *parent,
>                              const char *name, uint8_t n_slots,
>                              qemu_irq_handler handler);
>
> diff --git a/hw/char/tpci200.c b/hw/char/tpci200.c
> index d9e17b2..e04ff26 100644
> --- a/hw/char/tpci200.c
> +++ b/hw/char/tpci200.c
> @@ -607,7 +607,7 @@ static int tpci200_initfn(PCIDevice *pci_dev)
>       pci_register_bar(&s->dev, 4, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->las2);
>       pci_register_bar(&s->dev, 5, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->las3);
>
> -    ipack_bus_new_inplace(&s->bus, DEVICE(&s->dev), NULL,
> +    ipack_bus_new_inplace(&s->bus, sizeof(s->bus), DEVICE(pci_dev), NULL,
>                             N_MODULES, tpci200_set_irq);
>
>       return 0;
>


-- 
Best Regards

Wenchao Xia