ACPI: check acpi_disabled in acpi_table_parse() and acpi_table_parse_entries()



Allow consumers of the acpi_table_parse()/acpi_table_parse_entries() API
to gracefully handle the acpi_disabled=1 case via return value
rather than checking the global flag themselves.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

parent f4a2d584

drivers/acpi/tables.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -213,6 +213,9 @@ acpi_table_parse_entries(char *id,
		unsigned long table_end;
		acpi_size tbl_size;

		if (acpi_disabled)
		return -ENODEV;

		if (!handler)
		return -EINVAL;

		@@ -277,6 +280,9 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
		struct acpi_table_header *table = NULL;
		acpi_size tbl_size;

		if (acpi_disabled)
		return -ENODEV;

		if (!handler)
		return -EINVAL;