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phy: fix device reference leaks
authorJohan Hovold <johan@kernel.org>
Thu, 3 Nov 2016 17:40:19 +0000 (18:40 +0100)
committerDavid S. Miller <davem@davemloft.net>
Mon, 7 Nov 2016 18:17:29 +0000 (13:17 -0500)
Make sure to drop the reference taken by bus_find_device_by_name()
before returning from phy_connect() and phy_attach().

Note that both function still take a reference to the phy device
through phy_attach_direct().

Fixes: e13934563db0 ("[PATCH] PHY Layer fixup")
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/phy/phy_device.c

index e977ba9..1a4bf8a 100644 (file)
@@ -723,6 +723,7 @@ struct phy_device *phy_connect(struct net_device *dev, const char *bus_id,
        phydev = to_phy_device(d);
 
        rc = phy_connect_direct(dev, phydev, handler, interface);
+       put_device(d);
        if (rc)
                return ERR_PTR(rc);
 
@@ -953,6 +954,7 @@ struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
        phydev = to_phy_device(d);
 
        rc = phy_attach_direct(dev, phydev, phydev->dev_flags, interface);
+       put_device(d);
        if (rc)
                return ERR_PTR(rc);