linux-kernel - [PATCH 4.9 004/206] staging: octeon: Call SET_NETDEV

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Date:   Tue, 10 Jan 2017 14:34:47 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Aaro Koskinen <aaro.koskinen@....fi>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH 4.9 004/206] staging: octeon: Call SET_NETDEV_DEV()

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Florian Fainelli <f.fainelli@...il.com>

commit e7c9a3d9e432200fd4c17855c2c23ac784d6e833 upstream.

The Octeon driver calls into PHYLIB which now checks for
net_device->dev.parent, so make sure we do set it before calling into
any MDIO/PHYLIB related function.

Fixes: ec988ad78ed6 ("phy: Don't increment MDIO bus refcount unless it's a different owner")
Reported-by: Aaro Koskinen <aaro.koskinen@....fi>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/staging/octeon/ethernet.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -776,6 +776,7 @@ static int cvm_oct_probe(struct platform
 			/* Initialize the device private structure. */
 			struct octeon_ethernet *priv = netdev_priv(dev);
 
+			SET_NETDEV_DEV(dev, &pdev->dev);
 			dev->netdev_ops = &cvm_oct_pow_netdev_ops;
 			priv->imode = CVMX_HELPER_INTERFACE_MODE_DISABLED;
 			priv->port = CVMX_PIP_NUM_INPUT_PORTS;
@@ -820,6 +821,7 @@ static int cvm_oct_probe(struct platform
 			}
 
 			/* Initialize the device private structure. */
+			SET_NETDEV_DEV(dev, &pdev->dev);
 			priv = netdev_priv(dev);
 			priv->netdev = dev;
 			priv->of_node = cvm_oct_node_for_port(pip, interface,