[PATCH] net: mvmdio: do not clk_disable_unprepare() NULL clock

[Alexey Khoroshilov]

There is no need to clk_disable_unprepare(dev->clk)
before it was initialized.

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

Signed-off-by: Alexey Khoroshilov <khoroshi...@ispras.ru>
---
 drivers/net/ethernet/marvell/mvmdio.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvmdio.c 
b/drivers/net/ethernet/marvell/mvmdio.c
index 8982c882af1b..a0d1b084ecec 100644
--- a/drivers/net/ethernet/marvell/mvmdio.c
+++ b/drivers/net/ethernet/marvell/mvmdio.c
@@ -211,8 +211,7 @@ static int orion_mdio_probe(struct platform_device *pdev)
        dev->regs = devm_ioremap(&pdev->dev, r->start, resource_size(r));
        if (!dev->regs) {
                dev_err(&pdev->dev, "Unable to remap SMI register\n");
-               ret = -ENODEV;
-               goto out_mdio;
+               return -ENODEV;
        }
 
        init_waitqueue_head(&dev->smi_busy_wait);
-- 
2.7.4