diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/acpi/acpi_table.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/acpi/acpi_table.c b/lib/acpi/acpi_table.c index fc43862ec37..4ad1f56e961 100644 --- a/lib/acpi/acpi_table.c +++ b/lib/acpi/acpi_table.c @@ -649,7 +649,9 @@ int acpi_iort_add_rc(struct acpi_ctx *ctx, node->type = ACPI_IORT_NODE_PCI_ROOT_COMPLEX; node->revision = 2; node->mapping_count = num_mappings; - node->mapping_offset = sizeof(struct acpi_iort_node) + sizeof(struct acpi_iort_rc); + if (num_mappings) + node->mapping_offset = sizeof(struct acpi_iort_node) + + sizeof(struct acpi_iort_rc); node->length = sizeof(struct acpi_iort_node); node->length += sizeof(struct acpi_iort_rc); @@ -709,7 +711,9 @@ int acpi_iort_add_smmu_v3(struct acpi_ctx *ctx, node->type = ACPI_IORT_NODE_SMMU_V3; node->revision = 5; node->mapping_count = num_mappings; - node->mapping_offset = sizeof(struct acpi_iort_node) + sizeof(struct acpi_iort_smmu_v3); + if (num_mappings) + node->mapping_offset = sizeof(struct acpi_iort_node) + + sizeof(struct acpi_iort_smmu_v3); node->length = sizeof(struct acpi_iort_node); node->length += sizeof(struct acpi_iort_smmu_v3); |