1 files changed, 1 insertions, 1 deletions

diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c
index 53cee781e24e..24d32968802d 100644
--- a/tools/power/acpi/tools/acpidump/apdump.c
+++ b/tools/power/acpi/tools/acpidump/apdump.c
@@ -146,7 +146,7 @@ u32 ap_get_table_length(struct acpi_table_header *table)
 
         if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
                 rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table);
-                return (rsdp->length);
+                return (acpi_tb_get_rsdp_length(rsdp));
         }
 
         /* Normal ACPI table */