Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.14 17/21] ACPI: AMBA: Fix resource name in /proc/iomem | Date | Sat, 10 Jul 2021 19:52:08 -0400 |
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From: Liguang Zhang <zhangliguang@linux.alibaba.com>
[ Upstream commit 7718629432676b5ebd9a32940782fe297a0abf8d ]
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> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 7f77c071709a..eb09ee71ceb2 100644 --- a/drivers/acpi/acpi_amba.c +++ b/drivers/acpi/acpi_amba.c @@ -70,6 +70,7 @@ 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; -- 2.30.2
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