Re: [Xen-devel] [PATCH] xen/flask: fix crash on debugkey "i"

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.02.13 at 16:54, Daniel De Graaf <dgdegra@xxxxxxxxxxxxx> wrote:
> The IRQs beyond nr_static_irqs do not all have an associated PCI device,
> so only query the device SID if pci is not NULL.
> 
> Signed-off-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

> ---
>  xen/xsm/flask/hooks.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/xen/xsm/flask/hooks.c b/xen/xsm/flask/hooks.c
> index 85d009c..29a78dd 100644
> --- a/xen/xsm/flask/hooks.c
> +++ b/xen/xsm/flask/hooks.c
> @@ -110,7 +110,7 @@ static int get_irq_sid(int irq, u32 *sid, struct 
> avc_audit_data *ad)
>          }
>          return security_irq_sid(irq, sid);
>      }
> -    if ( desc->msi_desc ) {
> +    if ( desc->msi_desc && desc->msi_desc->dev ) {
>          struct pci_dev *dev = desc->msi_desc->dev;
>          u32 sbdf = (dev->seg << 16) | (dev->bus << 8) | dev->devfn;
>          if (ad) {
> -- 
> 1.8.1.2
> 
> 
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> http://lists.xen.org/xen-devel 




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