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path: root/drivers/acpi/arm64/iort.c
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Diffstat (limited to 'drivers/acpi/arm64/iort.c')
-rw-r--r--drivers/acpi/arm64/iort.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index e0d2e6e6e40c..ba156c5afc16 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -333,7 +333,7 @@ struct acpi_iort_node *iort_node_get_id(struct acpi_iort_node *node,
return NULL;
map = ACPI_ADD_PTR(struct acpi_iort_id_mapping, node,
- node->mapping_offset);
+ node->mapping_offset + index * sizeof(*map));
/* Firmware bug! */
if (!map->output_reference) {
@@ -348,10 +348,10 @@ struct acpi_iort_node *iort_node_get_id(struct acpi_iort_node *node,
if (!(IORT_TYPE_MASK(parent->type) & type_mask))
return NULL;
- if (map[index].flags & ACPI_IORT_ID_SINGLE_MAPPING) {
+ if (map->flags & ACPI_IORT_ID_SINGLE_MAPPING) {
if (node->type == ACPI_IORT_NODE_NAMED_COMPONENT ||
node->type == ACPI_IORT_NODE_PCI_ROOT_COMPLEX) {
- *id_out = map[index].output_base;
+ *id_out = map->output_base;
return parent;
}
}