On Tue, Jun 29, 2021 at 1:28 PM Liguang Zhang
<zhangliguang@xxxxxxxxxxxxxxxxx> wrote:
>
> In function amba_handler_attach(), dev->res.name is initialized by
> amba_device_alloc. But when address_found is false, dev->res.name is
> assigned to null value, which leads to wrong resource name display in
> /proc/iomem, "<BAD>" is seen for those resources.
>
> Signed-off-by: Liguang Zhang <zhangliguang@xxxxxxxxxxxxxxxxx>
> ---
> drivers/acpi/acpi_amba.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c
> index 49b781a9cd97..ab8a4e0191b1 100644
> --- a/drivers/acpi/acpi_amba.c
> +++ b/drivers/acpi/acpi_amba.c
> @@ -76,6 +76,7 @@ static int amba_handler_attach(struct acpi_device *adev,
> case IORESOURCE_MEM:
> if (!address_found) {
> dev->res = *rentry->res;
> + dev->res.name = dev_name(&dev->dev);
> address_found = true;
> }
> break;
> --
Applied as 5.14-rc1 material, thanks!
