arm/arm64: KVM: Fix ioctl error handling

[cascardo/linux.git] / arch / arm64 / kvm / guest.c

diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index fcb7788..9e54ad7 100644 (file)
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -194,7 +194,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
        u64 val;
 
        val = kvm_arm_timer_get_reg(vcpu, reg->id);
-       return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id));
+       return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)) ? -EFAULT : 0;
 }
 
 /**