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Message-Id: <20200331085424.967560333@linuxfoundation.org>
Date:   Tue, 31 Mar 2020 10:58:17 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dajun Jin <adajunjin@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 057/155] drivers/of/of_mdio.c:fix of_mdiobus_register()

From: Dajun Jin <adajunjin@...il.com>

[ Upstream commit 209c65b61d94344522c41a83cd6ce51aac5fd0a4 ]

When registers a phy_device successful, should terminate the loop
or the phy_device would be registered in other addr. If there are
multiple PHYs without reg properties, it will go wrong.

Signed-off-by: Dajun Jin <adajunjin@...il.com>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/of/of_mdio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index bd6129db64178..c34a6df712adb 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -268,6 +268,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 				rc = of_mdiobus_register_phy(mdio, child, addr);
 				if (rc && rc != -ENODEV)
 					goto unregister;
+				break;
 			}
 		}
 	}
-- 
2.20.1



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