[PATCH] net/mlxbf_gige: Fix an IS_ERR() vs NULL bug in mlxbf_gige_mdio_probe

[Peng Wu]

The devm_ioremap() function returns NULL on error, it doesn't return
error pointers.

Fixes: 3a1a274e933f ("mlxbf_gige: compute MDIO period based on i1clk")
Signed-off-by: Peng Wu <wupeng58@xxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
index 85155cd9405c..a842daa3c507 100644
--- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
+++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
@@ -240,8 +240,8 @@ int mlxbf_gige_mdio_probe(struct platform_device *pdev, struct mlxbf_gige *priv)
 	}
 
 	priv->clk_io = devm_ioremap(dev, res->start, resource_size(res));
-	if (IS_ERR(priv->clk_io))
-		return PTR_ERR(priv->clk_io);
+	if (!priv->clk_io)
+		return -ENOMEM;
 
 	mlxbf_gige_mdio_cfg(priv);
 
-- 
2.17.1