checksum = acpi_tb_checksum (table_header, table_header->length); 
checksum = acpi_tb_generate_checksum (table_header, table_header->length); 
acpi_tb_verify_table_checksum (	struct acpi_table_header        *table_header){	u8                              checksum;	acpi_status                     status = AE_OK;	ACPI_FUNCTION_TRACE ("tb_verify_table_checksum");	/* Compute the checksum on the table */	checksum = acpi_tb_checksum (table_header, table_header->length);	/* Return the appropriate exception */	if (checksum) {		ACPI_REPORT_WARNING ((			"Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)\n",			table_header->signature, (u32) table_header->checksum,			(u32) checksum));		status = AE_BAD_CHECKSUM;	}	return_ACPI_STATUS (status);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/0c9938cc75057c0fca1af55a55dcfc2842436695/tbutils.c/buggy/drivers/acpi/tables/tbutils.c