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Message-Id: <20221003070723.482132748@linuxfoundation.org> Date: Mon, 3 Oct 2022 09:11:24 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Peng Wu <wupeng58@...wei.com>, Jakub Kicinski <kuba@...nel.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.15 59/83] net/mlxbf_gige: Fix an IS_ERR() vs NULL bug in mlxbf_gige_mdio_probe From: Peng Wu <wupeng58@...wei.com> [ 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@...wei.com> Link: https://lore.kernel.org/r/20220923023640.116057-1-wupeng58@huawei.com Signed-off-by: Jakub Kicinski <kuba@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- 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 caa4380ada13..5819584345ab 100644 --- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c +++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c @@ -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); -- 2.35.1
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