Re: [PATCH] ACPI / amba: Fix resource name in /proc/iomem
From: "Rafael J. Wysocki" <rafael@kernel.org>
Date: 2021-06-30 18:02:24
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From: "Rafael J. Wysocki" <rafael@kernel.org>
Date: 2021-06-30 18:02:24
Also in:
lkml
On Tue, Jun 29, 2021 at 1:28 PM Liguang Zhang [off-list ref] 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 <redacted> --- 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!