net: mvmdio: disable/unprepare clocks in EPROBE_DEFER case

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: 3d604da ("net: mvmdio: get and enable optional clock") Signed-off-by: Tobias Jordan <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
mrcsosa · Dec 7, 2017 · 589bf32 · 589bf32
1 parent 30f1e59
commit 589bf32
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c
@@ -344,7 +344,8 @@ static int orion_mdio_probe(struct platform_device *pdev)
 			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)