Re: [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl()

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On 29/02/20 03:52, Xiaoyao Li wrote:
> In kvm_arch_dev_ioctl(), the brackets of case KVM_X86_GET_MCE_CAP_SUPPORTED
> accidently encapsulates case KVM_GET_MSR_FEATURE_INDEX_LIST and case
> KVM_GET_MSRS. It doesn't affect functionality but it's misleading.
> 
> Remove unnecessary brackets and opportunistically add a "break" in the
> default path.
> 
> Suggested-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> Signed-off-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx>
> ---
>  arch/x86/kvm/x86.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 5de200663f51..e49f3e735f77 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -3464,7 +3464,7 @@ long kvm_arch_dev_ioctl(struct file *filp,
>  		r = 0;
>  		break;
>  	}
> -	case KVM_X86_GET_MCE_CAP_SUPPORTED: {
> +	case KVM_X86_GET_MCE_CAP_SUPPORTED:
>  		r = -EFAULT;
>  		if (copy_to_user(argp, &kvm_mce_cap_supported,
>  				 sizeof(kvm_mce_cap_supported)))
> @@ -3496,9 +3496,9 @@ long kvm_arch_dev_ioctl(struct file *filp,
>  	case KVM_GET_MSRS:
>  		r = msr_io(NULL, argp, do_get_msr_feature, 1);
>  		break;
> -	}
>  	default:
>  		r = -EINVAL;
> +		break;
>  	}
>  out:
>  	return r;
> 

Queued as "KVM: x86: Code style cleanup in kvm_arch_dev_ioctl()", thanks.

Paolo




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