irqchip/starfive: Fix error check for devm_platform_ioremap_resource()

devm_platform_ioremap_resource() returns an error pointer on failure, not
NULL.

Fix the check to use IS_ERR() and return PTR_ERR() to correctly handle
allocation failures.

Fixes: 2f59ca1854 ("irqchip/starfive: Use devm_ interfaces to simplify resource release")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Link: https://patch.msgid.link/20260506041413.1670799-1-nichen@iscas.ac.cn
This commit is contained in:
Chen Ni 2026-05-06 12:14:13 +08:00 committed by Thomas Gleixner
parent 76841b0ea8
commit 8b9db67396

View File

@ -208,8 +208,8 @@ static int starfive_intc_probe(struct platform_device *pdev, struct device_node
return -ENOMEM;
irqc->base = devm_platform_ioremap_resource(pdev, 0);
if (!irqc->base)
return dev_err_probe(&pdev->dev, -ENXIO, "unable to map registers\n");
if (IS_ERR(irqc->base))
return dev_err_probe(&pdev->dev, PTR_ERR(irqc->base), "unable to map registers\n");
rst = devm_reset_control_get_optional_exclusive_deasserted(&pdev->dev, NULL);
if (IS_ERR(rst))