[PATCH 5.15 100/181] net: ag71xx: call phylink_disconnect_phy if ag71xx_hw_enable() fail in ag71xx_open()

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From: Liu Jian <liujian56@xxxxxxxxxx>

[ Upstream commit c9b895c6878bdb6789dc1d7af60fd10f4a9f1937 ]

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@xxxxxxxxxx>
Reviewed-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221114095549.40342-1-liujian56@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 416a5c99db5a..7295244b78d0 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1480,7 +1480,7 @@ 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);
@@ -1501,6 +1501,7 @@ static int ag71xx_open(struct net_device *ndev)
 
 err:
 	ag71xx_rings_cleanup(ag);
+	phylink_disconnect_phy(ag->phylink);
 	return ret;
 }
 
-- 
2.35.1






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