Merge tag 'renesas-fixes-for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git...

[cascardo/linux.git] / arch / arm / kvm / arm.c

diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index d94bb90..75f130e 100644 (file)
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -1009,9 +1009,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
 
        switch (ioctl) {
        case KVM_CREATE_IRQCHIP: {
+               int ret;
                if (!vgic_present)
                        return -ENXIO;
-               return kvm_vgic_create(kvm, KVM_DEV_TYPE_ARM_VGIC_V2);
+               mutex_lock(&kvm->lock);
+               ret = kvm_vgic_create(kvm, KVM_DEV_TYPE_ARM_VGIC_V2);
+               mutex_unlock(&kvm->lock);
+               return ret;
        }
        case KVM_ARM_SET_DEVICE_ADDR: {
                struct kvm_arm_device_addr dev_addr;