Re: [Qemu-devel] [PATCH 23/38] shpc: split shpc_free from shpc_cleanup

["Michael S. Tsirkin" <mst@redhat.com>]

On Tue, Sep 03, 2013 at 02:33:14PM +0200, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  hw/pci-bridge/pci_bridge_dev.c | 2 ++
>  hw/pci/shpc.c                  | 8 +++++++-
>  include/hw/pci/shpc.h          | 1 +
>  3 files changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/hw/pci-bridge/pci_bridge_dev.c b/hw/pci-bridge/pci_bridge_dev.c
> index a9392c7..97dfc49 100644
> --- a/hw/pci-bridge/pci_bridge_dev.c
> +++ b/hw/pci-bridge/pci_bridge_dev.c
> @@ -79,6 +79,7 @@ msi_error:
>      slotid_cap_cleanup(dev);
>  slotid_error:
>      shpc_cleanup(dev, &bridge_dev->bar);
> +    shpc_free(dev);
>  shpc_error:
>      memory_region_destroy(&bridge_dev->bar);
>      pci_bridge_exitfn(dev);
> @@ -94,6 +95,7 @@ static void pci_bridge_dev_exitfn(PCIDevice *dev)
>      }
>      slotid_cap_cleanup(dev);
>      shpc_cleanup(dev, &bridge_dev->bar);
> +    shpc_free(dev);
>      memory_region_destroy(&bridge_dev->bar);
>      pci_bridge_exitfn(dev);
>  }
> diff --git a/hw/pci/shpc.c b/hw/pci/shpc.c
> index eb092fd..cefaf69 100644
> --- a/hw/pci/shpc.c
> +++ b/hw/pci/shpc.c
> @@ -630,15 +630,21 @@ int shpc_bar_size(PCIDevice *d)
>  void shpc_cleanup(PCIDevice *d, MemoryRegion *bar)
>  {
>      SHPCDevice *shpc = d->shpc;
> +    /* TODO: cleanup config space changes? */
>      d->cap_present &= ~QEMU_PCI_CAP_SHPC;
>      memory_region_del_subregion(bar, &shpc->mmio);
> -    /* TODO: cleanup config space changes? */
> +}
> +
> +void shpc_free(PCIDevice *d)
> +{
> +    SHPCDevice *shpc = d->shpc;
>      g_free(shpc->config);
>      g_free(shpc->cmask);
>      g_free(shpc->wmask);
>      g_free(shpc->w1cmask);
>      memory_region_destroy(&shpc->mmio);
>      g_free(shpc);
> +    d->shpc = NULL;

Why is this line here btw?

>  }
>  
>  void shpc_cap_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
> diff --git a/include/hw/pci/shpc.h b/include/hw/pci/shpc.h
> index 467911a..5f27431 100644
> --- a/include/hw/pci/shpc.h
> +++ b/include/hw/pci/shpc.h
> @@ -39,6 +39,7 @@ void shpc_reset(PCIDevice *d);
>  int shpc_bar_size(PCIDevice *dev);
>  int shpc_init(PCIDevice *dev, PCIBus *sec_bus, MemoryRegion *bar, unsigned off);
>  void shpc_cleanup(PCIDevice *dev, MemoryRegion *bar);
> +void shpc_free(PCIDevice *d);
>  void shpc_cap_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int len);
>  
>  extern VMStateInfo shpc_vmstate_info;
> -- 
> 1.8.3.1
>