RISC-V: KVM: Exit run-loop immediately if xfer_to_guest fails

If xfer_to_guest_mode_handle_work() fails in the run-loop then exit
the run-loop immediately instead of doing it after some more work.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>

arch/riscv/kvm/vcpu.c

@@ -984,7 +984,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
 	while (ret > 0) {
 		/* Check conditions before entering the guest */
 		ret = xfer_to_guest_mode_handle_work(vcpu);
-		if (!ret)
+		if (ret)
+			continue;
 		ret = 1;
 
 		kvm_riscv_gstage_vmid_update(vcpu);