Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.14 642/849] phy: Sparx5 Eth SerDes: Fix return value check in sparx5_serdes_probe() | Date | Mon, 15 Nov 2021 18:02:05 +0100 |
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From: Yang Yingliang <yangyingliang@huawei.com>
[ Upstream commit b4dc97ab0a629eda8bda20d96ef47dac08a505d9 ]
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: 2ff8a1eeb5aa ("phy: Add Sparx5 ethernet serdes PHY driver") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20210909072149.2934047-1-yangyingliang@huawei.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/phy/microchip/sparx5_serdes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/phy/microchip/sparx5_serdes.c b/drivers/phy/microchip/sparx5_serdes.c index 4076580fc2cd9..ab1b0986aa671 100644 --- a/drivers/phy/microchip/sparx5_serdes.c +++ b/drivers/phy/microchip/sparx5_serdes.c @@ -2475,10 +2475,10 @@ static int sparx5_serdes_probe(struct platform_device *pdev) return -EINVAL; } iomem = devm_ioremap(priv->dev, iores->start, resource_size(iores)); - if (IS_ERR(iomem)) { + if (!iomem) { dev_err(priv->dev, "Unable to get serdes registers: %s\n", iores->name); - return PTR_ERR(iomem); + return -ENOMEM; } for (idx = 0; idx < ARRAY_SIZE(sparx5_serdes_iomap); idx++) { struct sparx5_serdes_io_resource *iomap = &sparx5_serdes_iomap[idx]; -- 2.33.0
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