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net: ethernet: ti: cpsw: fix device and of_node leaks 

Make sure to drop the references taken by of_get_child_by_name() and
bus_find_device() before returning from cpsw_phy_sel().

Note that holding a reference to the cpsw-phy-sel device does not
prevent the devres-managed private data from going away.

Fixes: 5892cd135e ("drivers: net: cpsw-phy-sel: Add new driver...")
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johan Hovold 2016-11-03 18:40:20 +01:00 committed by David S. Miller
parent 17ae1c650c
commit c7262aaace
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/ti/cpsw-phy-sel.c
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@ -176,9 +176,12 @@ void cpsw_phy_sel(struct device *dev, phy_interface_t phy_mode, int slave)
}
dev = bus_find_device(&platform_bus_type, NULL, node, match);
of_node_put(node);
priv = dev_get_drvdata(dev);
priv->cpsw_phy_sel(priv, phy_mode, slave);
put_device(dev);
}
EXPORT_SYMBOL_GPL(cpsw_phy_sel);