On Mon, 28 Aug 2017, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com>
> 
> Since domain_vgic_free() can be called when the vgic_ops haven't been
> initialised yet, always check that d->arch.vgic.handler is not a null.
> 
> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com>

There is a code style problem, but I'll fix on commit.

Signed-off-by: Stefano Stabellini <sstabell...@kernel.org>


> ---
>  xen/arch/arm/vgic.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c
> index 7a4e3cd..6cf947c 100644
> --- a/xen/arch/arm/vgic.c
> +++ b/xen/arch/arm/vgic.c
> @@ -187,7 +187,8 @@ void domain_vgic_free(struct domain *d)
>          }
>      }
>  
> -    d->arch.vgic.handler->domain_free(d);
> +    if ( d->arch.vgic.handler )
> +       d->arch.vgic.handler->domain_free(d);
>      xfree(d->arch.vgic.shared_irqs);
>      xfree(d->arch.vgic.pending_irqs);
>      xfree(d->arch.vgic.allocated_irqs);
> -- 
> 2.7.4
> 

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