From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 27 Feb 2015 11:41:45 +0000 (+0800)
Subject: arm/arm64: KVM: fix missing unlock on error in kvm_vgic_create()
X-Git-Tag: v4.14-rc1~5653^2~21^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b52104e509479c4709eb9d81642df77c5ef2716b;p=platform%2Fkernel%2Flinux-rpi.git

arm/arm64: KVM: fix missing unlock on error in kvm_vgic_create()

Add the missing unlock before return from function kvm_vgic_create()
in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---

diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 0cc6ab6..4b2c2e7 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1583,8 +1583,10 @@ int kvm_vgic_create(struct kvm *kvm, u32 type)
 	 * emulation. So check this here again. KVM_CREATE_DEVICE does
 	 * the proper checks already.
 	 */
-	if (type == KVM_DEV_TYPE_ARM_VGIC_V2 && !vgic->can_emulate_gicv2)
-		return -ENODEV;
+	if (type == KVM_DEV_TYPE_ARM_VGIC_V2 && !vgic->can_emulate_gicv2) {
+		ret = -ENODEV;
+		goto out;
+	}
 
 	/*
 	 * Any time a vcpu is run, vcpu_load is called which tries to grab the