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ACPI: AMBA: Fix resource name in /proc/iomem

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[ 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>
This commit is contained in:
Liguang Zhang 2021-06-29 19:27:48 +08:00 • committed by Greg Kroah-Hartman
commit 0bbac73622
1 changed files with 1 additions and 0 deletions
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1
drivers/acpi/acpi_amba.c
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@ -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;