Re: [Qemu-devel] [PATCH RFC 04/10] pcnet: pcnet_common_init() always returns 0, change to void

[Gonglei <arei.gonglei@huawei.com>]

On 2014/10/28 15:35, Markus Armbruster wrote:

> The next commit will exploit the fact it never fails.  This one makes
> it obvious.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
>  hw/net/lance.c     | 3 ++-
>  hw/net/pcnet-pci.c | 3 ++-
>  hw/net/pcnet.c     | 4 +---
>  hw/net/pcnet.h     | 2 +-
>  4 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/hw/net/lance.c b/hw/net/lance.c
> index a1c49f1..3663340 100644
> --- a/hw/net/lance.c
> +++ b/hw/net/lance.c
> @@ -134,7 +134,8 @@ static int lance_init(SysBusDevice *sbd)
>  
>      s->phys_mem_read = ledma_memory_read;
>      s->phys_mem_write = ledma_memory_write;
> -    return pcnet_common_init(dev, s, &net_lance_info);
> +    pcnet_common_init(dev, s, &net_lance_info);
> +    return 0;
>  }
>  
>  static void lance_reset(DeviceState *dev)
> diff --git a/hw/net/pcnet-pci.c b/hw/net/pcnet-pci.c
> index fb5f5d6..50eb069 100644
> --- a/hw/net/pcnet-pci.c
> +++ b/hw/net/pcnet-pci.c
> @@ -335,7 +335,8 @@ static int pci_pcnet_init(PCIDevice *pci_dev)
>      s->phys_mem_write = pci_physical_memory_write;
>      s->dma_opaque = pci_dev;
>  
> -    return pcnet_common_init(DEVICE(pci_dev), s, &net_pci_pcnet_info);
> +    pcnet_common_init(DEVICE(pci_dev), s, &net_pci_pcnet_info);
> +    return 0;
>  }
>  
>  static void pci_reset(DeviceState *dev)
> diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
> index d344c15..5a081c4 100644
> --- a/hw/net/pcnet.c
> +++ b/hw/net/pcnet.c
> @@ -1724,7 +1724,7 @@ void pcnet_common_cleanup(PCNetState *d)
>      d->nic = NULL;
>  }
>  
> -int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
> +void pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)

Do we need consider to pass an Error **errp argument to it?

Best regards,
-Gonglei

>  {
>      int i;
>      uint16_t checksum;
> @@ -1763,6 +1763,4 @@ int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
>      *(uint16_t *)&s->prom[12] = cpu_to_le16(checksum);
>  
>      s->lnkst = 0x40; /* initial link state: up */
> -
> -    return 0;
>  }
> diff --git a/hw/net/pcnet.h b/hw/net/pcnet.h
> index f8e8a6f..cfc196e 100644
> --- a/hw/net/pcnet.h
> +++ b/hw/net/pcnet.h
> @@ -64,6 +64,6 @@ int pcnet_can_receive(NetClientState *nc);
>  ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_);
>  void pcnet_set_link_status(NetClientState *nc);
>  void pcnet_common_cleanup(PCNetState *d);
> -int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info);
> +void pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info);
>  extern const VMStateDescription vmstate_pcnet;
>  #endif