Message ID | 20210629112748.23734-1-zhangliguang@linux.alibaba.com (mailing list archive) |
---|---|
State | Mainlined, archived |
Headers | show |
Series | ACPI / amba: Fix resource name in /proc/iomem | expand |
On Tue, Jun 29, 2021 at 1:28 PM Liguang Zhang <zhangliguang@linux.alibaba.com> 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@linux.alibaba.com> > --- > 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!
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;
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@linux.alibaba.com> --- drivers/acpi/acpi_amba.c | 1 + 1 file changed, 1 insertion(+)