[PATCH net-next] drivers: net: davinci_mdio: fix return value check in davinci_mdio_probe()

[Wei Yongjun]

In case of error, the function devm_ioremap() returns NULL pointer not
ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.

Fixes: 03f66f067560 ("net: ethernet: ti: davinci_mdio: use devm_ioremap()")
Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 drivers/net/ethernet/ti/davinci_mdio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/ti/davinci_mdio.c 
b/drivers/net/ethernet/ti/davinci_mdio.c
index 11642721c123..38b7f6d35759 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -398,8 +398,8 @@ static int davinci_mdio_probe(struct platform_device *pdev)
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        data->regs = devm_ioremap(dev, res->start, resource_size(res));
-       if (IS_ERR(data->regs))
-               return PTR_ERR(data->regs);
+       if (!data->regs)
+               return -ENOMEM;
 
        davinci_mdio_init_clk(data);