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

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[ Upstream commit 4774db8dfc6a2e6649920ebb2fc8e2f062c2080d ]

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>
Link: https://lore.kernel.org/r/20220923023640.116057-1-wupeng58@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peng Wu
2022-09-23 02:36:40 +00:00
committed by Greg Kroah-Hartman
parent 8b1b908507
commit e9d7d80902
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
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@@ -244,8 +244,8 @@ 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);