netdev - [PATCH] net: ag71xx: call phylink_disconnect_phy if ag71xx_hw_enable() fail in ag71xx

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Date:   Mon, 14 Nov 2022 17:55:49 +0800
From:   Liu Jian <liujian56@...wei.com>
To:     <chris.snook@...il.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <linux@...linux.org.uk>, <linux@...pel-privat.de>,
        <netdev@...r.kernel.org>
CC:     <liujian56@...wei.com>
Subject: [PATCH] net: ag71xx: call phylink_disconnect_phy if ag71xx_hw_enable() fail in ag71xx_open()

If ag71xx_hw_enable() fails, call phylink_disconnect_phy() to clean up.
And if phylink_of_phy_connect() fails, nothing needs to be done.
Compile tested only.

Fixes: 892e09153fa3 ("net: ag71xx: port to phylink")
Signed-off-by: Liu Jian <liujian56@...wei.com>
---
 drivers/net/ethernet/atheros/ag71xx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index cc932b3cf873..4a1efe9b37d0 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1427,7 +1427,7 @@ static int ag71xx_open(struct net_device *ndev)
 	if (ret) {
 		netif_err(ag, link, ndev, "phylink_of_phy_connect filed with err: %i\n",
 			  ret);
-		goto err;
+		return ret;
 	}
 
 	max_frame_len = ag71xx_max_frame_len(ndev->mtu);
@@ -1448,6 +1448,7 @@ static int ag71xx_open(struct net_device *ndev)
 
 err:
 	ag71xx_rings_cleanup(ag);
+	phylink_disconnect_phy(ag->phylink);
 	return ret;
 }
 
-- 
2.17.1