add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/acpi/acpi_watchdog.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * ACPI watchdog table parsing support.
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  *
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  * Copyright (C) 2016, Intel Corporation
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  * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #define pr_fmt(fmt) "ACPI: watchdog: " fmt
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@@ -76,6 +73,7 @@
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 	}
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 	if (acpi_watchdog_uses_rtc(wdat)) {
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+		acpi_put_table((struct acpi_table_header *)wdat);
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 		pr_info("Skipping WDAT on this system because it uses RTC SRAM\n");
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 		return NULL;
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 	}
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@@ -120,12 +118,12 @@
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 	/* Watchdog disabled by BIOS */
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 	if (!(wdat->flags & ACPI_WDAT_ENABLED))
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-		return;
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+		goto fail_put_wdat;
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 	/* Skip legacy PCI WDT devices */
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 	if (wdat->pci_segment != 0xff || wdat->pci_bus != 0xff ||
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 	    wdat->pci_device != 0xff || wdat->pci_function != 0xff)
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-		return;
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+		goto fail_put_wdat;
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 	INIT_LIST_HEAD(&resource_list);
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@@ -191,4 +189,6 @@
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 fail_free_resource_list:
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 	resource_list_free(&resource_list);
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+fail_put_wdat:
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+	acpi_put_table((struct acpi_table_header *)wdat);
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 }