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From: Xiaoyao Li <xiaoyao.li@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>
Cc: xiaoyao.li@intel.com, erdemaktas@google.com,
	Connor Kuehl <ckuehl@redhat.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, isaku.yamahata@intel.com,
	Kai Huang <kai.huang@intel.com>
Subject: [PATCH 03/11] KVM: x86: Clean up kvm_vcpu_ioctl_x86_setup_mce()
Date: Fri, 12 Nov 2021 23:37:25 +0800	[thread overview]
Message-ID: <20211112153733.2767561-4-xiaoyao.li@intel.com> (raw)
In-Reply-To: <20211112153733.2767561-1-xiaoyao.li@intel.com>

No need to use goto.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
 arch/x86/kvm/x86.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 23617582712d..b02088343d80 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4505,15 +4505,13 @@ static int vcpu_ioctl_tpr_access_reporting(struct kvm_vcpu *vcpu,
 static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
 					u64 mcg_cap)
 {
-	int r;
 	unsigned bank_num = mcg_cap & 0xff, bank;
 
-	r = -EINVAL;
 	if (!bank_num || bank_num > KVM_MAX_MCE_BANKS)
-		goto out;
+		return -EINVAL;
 	if (mcg_cap & ~(kvm_mce_cap_supported | 0xff | 0xff0000))
-		goto out;
-	r = 0;
+		return -EINVAL;
+
 	vcpu->arch.mcg_cap = mcg_cap;
 	/* Init IA32_MCG_CTL to all 1s */
 	if (mcg_cap & MCG_CTL_P)
@@ -4523,8 +4521,8 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
 		vcpu->arch.mce_banks[bank*4] = ~(u64)0;
 
 	static_call(kvm_x86_setup_mce)(vcpu);
-out:
-	return r;
+
+	return 0;
 }
 
 static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu *vcpu,
-- 
2.27.0


  parent reply	other threads:[~2021-11-12 15:38 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-12 15:37 [PATCH 00/11] KVM: x86: TDX preparation of introducing vm_type and blocking ioctls based on vm_type Xiaoyao Li
2021-11-12 15:37 ` [PATCH 01/11] KVM: x86: Introduce vm_type to differentiate normal VMs from confidential VMs Xiaoyao Li
2021-11-12 16:47   ` Sean Christopherson
2021-11-15 15:37     ` Xiaoyao Li
2021-11-12 15:37 ` [PATCH 02/11] KVM: x86: Disable direct IRQ injection for TDX Xiaoyao Li
2021-11-12 15:37 ` Xiaoyao Li [this message]
2021-12-02  1:19   ` [PATCH 03/11] KVM: x86: Clean up kvm_vcpu_ioctl_x86_setup_mce() Xiaoyao Li
2021-11-12 15:37 ` [PATCH 04/11] KVM: x86: Disable MCE related stuff for TDX Xiaoyao Li
2021-11-12 17:01   ` Sean Christopherson
2021-11-15 15:39     ` Xiaoyao Li
2021-11-12 15:37 ` [PATCH 05/11] KVM: x86: Disallow tsc manipulation " Xiaoyao Li
2021-11-12 15:37 ` [PATCH 06/11] KVM: x86: Disable in-kernel I/O APIC and level routes " Xiaoyao Li
2021-11-12 15:37 ` [PATCH 07/11] KVM: x86: Disable SMM " Xiaoyao Li
2021-11-12 18:04   ` Sean Christopherson
2021-11-12 18:35     ` Sean Christopherson
2021-12-01  6:29     ` Xiaoyao Li
2021-11-12 15:37 ` [PATCH 08/11] KVM: x86: Disable INIT/SIPI " Xiaoyao Li
2021-11-12 15:37 ` [PATCH 09/11] KVM: x86: Block ioctls to access guest state " Xiaoyao Li
2021-11-12 15:37 ` [PATCH 10/11] KVM: Disallow read-only memory for x86 TDX Xiaoyao Li
2021-11-12 16:52   ` Sean Christopherson
2021-11-14  3:43     ` Xiaoyao Li
2021-11-12 15:37 ` [PATCH 11/11] KVM: Disallow dirty logging " Xiaoyao Li

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