[Xen-devel] Ping: [PATCH] PCI/passthrough: don't discard Dom0 provided information

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 06.12.17 at 17:19,  wrote:
> Instead of giving, to subsequent code, the appearance of there not
> having been any "info" data provided, adjust the conditional guarding
> SR-IOV handling.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Anyone caring to take a look? Otherwise I'll commit this without
any ack in a couple of days.

Jan

> --- a/xen/drivers/passthrough/pci.c
> +++ b/xen/drivers/passthrough/pci.c
> @@ -629,10 +629,7 @@ int pci_add_device(u16 seg, u8 bus, u8 d
>      else if ( info->is_extfn )
>          pdev_type = "extended function";
>      else
> -    {
> -        info = NULL;
>          pdev_type = "device";
> -    }
>  
>      ret = xsm_resource_plug_pci(XSM_PRIV, (seg << 16) | (bus << 8) | devfn);
>      if ( ret )
> @@ -660,7 +657,8 @@ int pci_add_device(u16 seg, u8 bus, u8 d
>          if ( pdev->info.is_virtfn )
>              pdev->info.is_extfn = pf_is_extfn;
>      }
> -    else if ( !pdev->vf_rlen[0] )
> +
> +    if ( !pdev->info.is_virtfn && !pdev->vf_rlen[0] )
>      {
>          unsigned int pos = pci_find_ext_capability(seg, bus, devfn,
>                                                     PCI_EXT_CAP_ID_SRIOV);
> 
> 
> 




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