[PATCH] ARM: KVM: fix KVM_CAP_ARM_SET_DEVICE_ADDR reporting

[cdall@cs.columbia.edu (Christoffer Dall)]

On Wed, Apr 03, 2013 at 10:43:13AM +0100, Marc Zyngier wrote:
> Commit 3401d54696f9 (KVM: ARM: Introduce KVM_ARM_SET_DEVICE_ADDR
> ioctl) added support for the KVM_CAP_ARM_SET_DEVICE_ADDR capability,
> but failed to add a break in the relevant case statement, returning
> the number of CPUs instead.
> 
> Luckilly enough, the CONFIG_NR_CPUS=0 patch hasn't been merged yet
> (https://lkml.org/lkml/diff/2012/3/31/131/1), so the bug wasn't
> noticed.
> 
> Just give it a break!
> 
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
>  arch/arm/kvm/arm.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
> index 6cc076e..d568e83 100644
> --- a/arch/arm/kvm/arm.c
> +++ b/arch/arm/kvm/arm.c
> @@ -198,6 +198,7 @@ int kvm_dev_ioctl_check_extension(long ext)
>  		break;
>  	case KVM_CAP_ARM_SET_DEVICE_ADDR:
>  		r = 1;
> +		break;
>  	case KVM_CAP_NR_VCPUS:
>  		r = num_online_cpus();
>  		break;
> -- 
> 1.8.1.4
> 
> 
Whoops, nice catch. Thanks.

-Christoffer