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SubjectRe: [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl()
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hi, Paolo?

On 2/29/2020 10:52 AM, 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@intel.com>
> Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
> ---
> 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;
>

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