Fix to return a negative error code from the failover register fail
error handling case instead of 0, as done elsewhere in this function.
Fixes: 1ff78076d8dd ("netvsc: refactor notifier/event handling code to use the failover framework")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        }
 
        net_device_ctx->failover = failover_register(net, &netvsc_failover_ops);
-       if (IS_ERR(net_device_ctx->failover))
+       if (IS_ERR(net_device_ctx->failover)) {
+               ret = PTR_ERR(net_device_ctx->failover);
                goto err_failover;
+       }
 
        return ret;