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];