From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 17 Apr 2013 23:41:00 +0000 (+0800)
Subject: KVM: x86: fix error return code in kvm_arch_vcpu_init()
X-Git-Tag: v3.12-rc1~895^2~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f1797359216c1daa145a354d07b8b2b7459668f4;p=kernel%2Fkernel-generic.git

KVM: x86: fix error return code in kvm_arch_vcpu_init()

Fix to return a negative error code from the error handling
case instead of 0, as returned elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
---

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 50e2e10..cbe16b4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6752,8 +6752,10 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
 	}
 	vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS;
 
-	if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, GFP_KERNEL))
+	if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, GFP_KERNEL)) {
+		r = -ENOMEM;
 		goto fail_free_mce_banks;
+	}
 
 	r = fx_init(vcpu);
 	if (r)