From: Wei Yongjun <weiyongjun1@xxxxxxxxxx> 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@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- 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 06bcf0c166cf..dd854d825000 100644 --- a/drivers/phy/microchip/sparx5_serdes.c +++ b/drivers/phy/microchip/sparx5_serdes.c @@ -2438,10 +2438,10 @@ static int sparx5_serdes_probe(struct platform_device *pdev) iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); iomem = devm_ioremap(priv->dev, iores->start, iores->end - iores->start + 1); - 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];