Re:[PATCH v3 2/3] platform/x86: topstar-laptop: Check ACPI_COMPANION() against NULL

[jiale yao]

At 2026-10-17 14:43:50, "Jiale Yao" <yaojiale02@xxxxxxx> wrote:
>Add a requisite ACPI_COMPANION() check against NULL to the
>topstar-laptop driver, aligning with the fix applied to
>asus-wireless driver.
>

Fixes: 3471415c8186 ("platform/x86: topstar-laptop: Convert ACPI driver to a platform one")

>Assisted-by: claude:deepseek-v4-pro
>Signed-off-by: Jiale Yao <yaojiale02@xxxxxxx>
>---
> drivers/platform/x86/topstar-laptop.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c
>index e09d7f8ce45f..f6fafa345f93 100644
>--- a/drivers/platform/x86/topstar-laptop.c
>+++ b/drivers/platform/x86/topstar-laptop.c
>@@ -291,6 +291,9 @@ static int topstar_acpi_probe(struct platform_device *pdev)
> 	struct topstar_laptop *topstar;
> 	int err;
> 
>+	if (!device)
>+		return -ENODEV;
>+
> 	dmi_check_system(topstar_dmi_ids);
> 
> 	topstar = kzalloc_obj(struct topstar_laptop);
>-- 
>2.34.1