cxgb4vf: shut down the adapter when t4vf_update_port_info() failed in cxgb4vf_open()

When t4vf_update_port_info() failed in cxgb4vf_open(), resources applied
during adapter goes up are not cleared. Fix it. Only be compiled, not be
tested.

Fixes: 18d79f72 ("cxgb4vf: Update port information in cxgb4vf_open()")
Signed-off-by: NZhengchao Shao <shaozhengchao@huawei.com>
Link: https://lore.kernel.org/r/20221109012100.99132-1-shaozhengchao@huawei.comSigned-off-by: NJakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c

@@ -858,7 +858,7 @@ static int cxgb4vf_open(struct net_device *dev)
 	 */
 	err = t4vf_update_port_info(pi);
 	if (err < 0)
-		return err;
+		goto err_unwind;
 
 	/*
 	 * Note that this interface is up and start everything up ...