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    Subject[PATCH 4.9 052/310] mdio: mux: fix device_node_continue.cocci warnings
    Date
    4.9-stable review patch.  If anyone has any objections, please let me know.

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

    From: Julia Lawall <julia.lawall@lip6.fr>


    [ Upstream commit 8c977f5a856a7276450ddf3a7b57b4a8815b63f9 ]

    Device node iterators put the previous value of the index variable, so an
    explicit put causes a double put.

    In particular, of_mdiobus_register can fail before doing anything
    interesting, so one could view it as a no-op from the reference count
    point of view.

    Generated by: scripts/coccinelle/iterators/device_node_continue.cocci

    CC: Jon Mason <jon.mason@broadcom.com>
    Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
    Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/phy/mdio-mux.c | 1 -
    1 file changed, 1 deletion(-)

    --- a/drivers/net/phy/mdio-mux.c
    +++ b/drivers/net/phy/mdio-mux.c
    @@ -169,7 +169,6 @@ int mdio_mux_init(struct device *dev,
    if (r) {
    mdiobus_free(cb->mii_bus);
    devm_kfree(dev, cb);
    - of_node_put(child_bus_node);
    } else {
    cb->next = pb->children;
    pb->children = cb;

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