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    Subject[PATCH 4.14 078/146] net: mvmdio: disable/unprepare clocks in EPROBE_DEFER case
    Date
    4.14-stable review patch.  If anyone has any objections, please let me know.

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

    From: Tobias Jordan <Tobias.Jordan@elektrobit.com>


    [ Upstream commit 589bf32f09852041fbd3b7ce1a9e703f95c230ba ]

    add appropriate calls to clk_disable_unprepare() by jumping to out_mdio
    in case orion_mdio_probe() returns -EPROBE_DEFER.

    Found by Linux Driver Verification project (linuxtesting.org).

    Fixes: 3d604da1e954 ("net: mvmdio: get and enable optional clock")
    Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com>
    Reviewed-by: Andrew Lunn <andrew@lunn.ch>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/ethernet/marvell/mvmdio.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    --- a/drivers/net/ethernet/marvell/mvmdio.c
    +++ b/drivers/net/ethernet/marvell/mvmdio.c
    @@ -344,7 +344,8 @@ static int orion_mdio_probe(struct platf
    dev->regs + MVMDIO_ERR_INT_MASK);

    } else if (dev->err_interrupt == -EPROBE_DEFER) {
    - return -EPROBE_DEFER;
    + ret = -EPROBE_DEFER;
    + goto out_mdio;
    }

    if (pdev->dev.of_node)

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