>>> On 13.02.13 at 16:54, Daniel De Graaf <dgdegra@tycho.nsa.gov>
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@tycho.nsa.gov>
Acked-by: Jan Beulich <jbeulich@suse.com>
> ---
> 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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