Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Peng Wu <wupeng58@huawei.com>
To:     <davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>,
        <pabeni@redhat.com>, <asmaa@nvidia.com>, <davthompson@nvidia.com>
CC:     <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <liwei391@huawei.com>, <wupeng58@huawei.com>
Subject: [PATCH] net/mlxbf_gige: Fix an IS_ERR() vs NULL bug in mlxbf_gige_mdio_probe
Date:   Fri, 23 Sep 2022 02:36:40 +0000
Message-ID: <20220923023640.116057-1-wupeng58@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

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@huawei.com>
---
 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