On Fri, Jul 19, 2013 at 03:59:26PM +0800, Tang Chen wrote:
> +/*
/**
> + * acpi_get_table_desc - Get the acpi table descriptor of a specific table.
> + * @signature: The signature of the table to be found.
> + * @out_desc: The out returned descriptor.
> + *
> + * This function iterates acpi_gbl_root_table_list and find the specified
> + * table's descriptor.
> + *
> + * NOTE: The caller has the responsibility to allocate memory for @out_desc.
> + *
> + * Return AE_OK on success, AE_NOT_FOUND if the table is not found.
> + */
> +acpi_status acpi_get_table_desc(char *signature,
> + struct acpi_table_desc *out_desc)
> +{
> + int pos;
> +
> + for (pos = 0;
> + pos < acpi_gbl_root_table_list.current_table_count;
> + pos++) {
> + if (!ACPI_COMPARE_NAME
> + (&(acpi_gbl_root_table_list.tables[pos].signature),
> + signature))
Hohumm... creative formatting. Can't you just cache the tables
pointer in a local variable with short name and avoid the creativity?
> + continue;
> +
> + memcpy(out_desc, &acpi_gbl_root_table_list.tables[pos],
> + sizeof(struct acpi_table_desc));
> +
> + return_ACPI_STATUS(AE_OK);
> + }
> +
> + return_ACPI_STATUS(AE_NOT_FOUND);
Also, if we already know that SRAT is what we want, I wonder whether
it'd be simpler to store the location of SRAT somewhere instead of
trying to be generic with the early processing.
Thanks.
--
tejun
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