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[Qemu-devel] Re: [PATCH 2/3] pci init: fail qemu if devfn exceeding the


From: Ken CC
Subject: [Qemu-devel] Re: [PATCH 2/3] pci init: fail qemu if devfn exceeding the max devices number supported on bus
Date: Tue, 24 Aug 2010 14:51:33 +0800
User-agent: Mutt/1.5.20 (2009-06-14)

broken thread, please ignore.

On Tue, Aug 24, 2010 at 02:33:51PM +0800, Ken CC wrote:
> assert(devfn < PCIBUS_MAX_DEVICES)
> 
> Signed-off-by: Ken CC <address@hidden>
> ---
>  hw/pci.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/hw/pci.c b/hw/pci.c
> index 02019a1..1e804da 100644
> --- a/hw/pci.c
> +++ b/hw/pci.c
> @@ -747,6 +747,7 @@ static PCIDevice *do_pci_register_device(PCIDevice 
> *pci_dev, PCIBus *bus,
>                                           PCIConfigWriteFunc *config_write,
>                                           bool is_bridge)
>  {
> +    assert(devfn < PCIBUS_MAX_DEVICES);
>      if (devfn < 0) {
>          for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices);
>              devfn += PCI_FUNC_MAX) {
> 
> --
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