* [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl()
@ 2020-02-29 2:52 Xiaoyao Li
2020-03-02 9:01 ` Vitaly Kuznetsov
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Xiaoyao Li @ 2020-02-29 2:52 UTC (permalink / raw)
To: Paolo Bonzini, Sean Christopherson, Vitaly Kuznetsov, Wanpeng Li,
Jim Mattson, Joerg Roedel
Cc: Xiaoyao Li, kvm, linux-kernel
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;
--
2.19.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl()
2020-02-29 2:52 [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl() Xiaoyao Li
@ 2020-03-02 9:01 ` Vitaly Kuznetsov
2020-03-18 13:00 ` Xiaoyao Li
2020-03-18 13:05 ` Paolo Bonzini
2 siblings, 0 replies; 4+ messages in thread
From: Vitaly Kuznetsov @ 2020-03-02 9:01 UTC (permalink / raw)
To: Xiaoyao Li
Cc: kvm, linux-kernel, Paolo Bonzini, Sean Christopherson,
Wanpeng Li, Jim Mattson, Joerg Roedel
Xiaoyao Li <xiaoyao.li@intel.com> writes:
> 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;
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
--
Vitaly
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl()
2020-02-29 2:52 [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl() Xiaoyao Li
2020-03-02 9:01 ` Vitaly Kuznetsov
@ 2020-03-18 13:00 ` Xiaoyao Li
2020-03-18 13:05 ` Paolo Bonzini
2 siblings, 0 replies; 4+ messages in thread
From: Xiaoyao Li @ 2020-03-18 13:00 UTC (permalink / raw)
To: Paolo Bonzini, Sean Christopherson, Vitaly Kuznetsov, Wanpeng Li,
Jim Mattson, Joerg Roedel
Cc: kvm, linux-kernel
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;
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl()
2020-02-29 2:52 [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl() Xiaoyao Li
2020-03-02 9:01 ` Vitaly Kuznetsov
2020-03-18 13:00 ` Xiaoyao Li
@ 2020-03-18 13:05 ` Paolo Bonzini
2 siblings, 0 replies; 4+ messages in thread
From: Paolo Bonzini @ 2020-03-18 13:05 UTC (permalink / raw)
To: Xiaoyao Li, Sean Christopherson, Vitaly Kuznetsov, Wanpeng Li,
Jim Mattson, Joerg Roedel
Cc: kvm, linux-kernel
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@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;
>
Queued as "KVM: x86: Code style cleanup in kvm_arch_dev_ioctl()", thanks.
Paolo
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-03-18 13:05 UTC | newest]
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2020-02-29 2:52 [PATCH v2] KVM: x86: Remove unnecessary brackets in kvm_arch_dev_ioctl() Xiaoyao Li
2020-03-02 9:01 ` Vitaly Kuznetsov
2020-03-18 13:00 ` Xiaoyao Li
2020-03-18 13:05 ` Paolo Bonzini
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