On 11/03/2016 12:40 PM, Johan Hovold wrote:
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: 5892cd135e16 ("drivers: net: cpsw-phy-sel: Add new driver...")
Cc: Mugunthan V N <mugunthan...@ti.com>
Cc: Grygorii Strashko <grygorii.stras...@ti.com>
Cc: linux-o...@vger.kernel.org
Signed-off-by: Johan Hovold <jo...@kernel.org>
---

Reviewed-by: Grygorii Strashko <grygorii.stras...@ti.com>

 drivers/net/ethernet/ti/cpsw-phy-sel.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/ti/cpsw-phy-sel.c 
b/drivers/net/ethernet/ti/cpsw-phy-sel.c
index 054a8dd23dae..ba1e45ff6aae 100644
--- a/drivers/net/ethernet/ti/cpsw-phy-sel.c
+++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c
@@ -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);



--
regards,
-grygorii

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