From: Hanjun Guo <guohanjun@huawei.com>
Date: Thu, 7 May 2020 17:09:14 +0800
Subject: ACPI: watchdog: Put the watchdog action table after parsing
Patch-mainline: v5.8-rc1
Git-commit: fe4e1a576ef472f32feffca208cc3409aafff244
References: jsc#SLE-16407
The mapped watchdog action table should be released after the
successfully parsing, and the failure path in the driver
initialization.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
drivers/acpi/acpi_watchdog.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/acpi/acpi_watchdog.c
+++ b/drivers/acpi/acpi_watchdog.c
@@ -73,6 +73,7 @@ static const struct acpi_table_wdat *acp
}
if (acpi_watchdog_uses_rtc(wdat)) {
+ acpi_put_table((struct acpi_table_header *)wdat);
pr_info("Skipping WDAT on this system because it uses RTC SRAM\n");
return NULL;
}
@@ -117,12 +118,12 @@ void __init acpi_watchdog_init(void)
/* Watchdog disabled by BIOS */
if (!(wdat->flags & ACPI_WDAT_ENABLED))
- return;
+ goto fail_put_wdat;
/* Skip legacy PCI WDT devices */
if (wdat->pci_segment != 0xff || wdat->pci_bus != 0xff ||
wdat->pci_device != 0xff || wdat->pci_function != 0xff)
- return;
+ goto fail_put_wdat;
INIT_LIST_HEAD(&resource_list);
@@ -188,4 +189,6 @@ void __init acpi_watchdog_init(void)
fail_free_resource_list:
resource_list_free(&resource_list);
+fail_put_wdat:
+ acpi_put_table((struct acpi_table_header *)wdat);
}