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-rw-r--r--drivers/acpi/acpica/rscalc.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index b62a0f4f4f9b..b60c9cf82862 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -174,6 +174,7 @@ acpi_rs_stream_option_length(u32 resource_length,
* FUNCTION: acpi_rs_get_aml_length
*
* PARAMETERS: resource - Pointer to the resource linked list
+ * resource_list_size - Size of the resource linked list
* size_needed - Where the required size is returned
*
* RETURN: Status
@@ -185,16 +186,20 @@ acpi_rs_stream_option_length(u32 resource_length,
******************************************************************************/
acpi_status
-acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
+acpi_rs_get_aml_length(struct acpi_resource *resource,
+ acpi_size resource_list_size, acpi_size * size_needed)
{
acpi_size aml_size_needed = 0;
+ struct acpi_resource *resource_end;
acpi_rs_length total_size;
ACPI_FUNCTION_TRACE(rs_get_aml_length);
/* Traverse entire list of internal resource descriptors */
- while (resource) {
+ resource_end =
+ ACPI_ADD_PTR(struct acpi_resource, resource, resource_list_size);
+ while (resource < resource_end) {
/* Validate the descriptor type */