1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index c80195e8fbd1..b29f4e40851f 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -364,9 +364,9 @@ read_acpi_id(acpi_handle handle, u32 lvl, void *context, void **rv)
         }
         /* There are more ACPI Processor objects than in x2APIC or MADT.
          * This can happen with incorrect ACPI SSDT declerations. */
-        if (acpi_id > nr_acpi_bits) {
-                pr_debug("We only have %u, trying to set %u\n",
-                         nr_acpi_bits, acpi_id);
+        if (acpi_id >= nr_acpi_bits) {
+                pr_debug("max acpi id %u, trying to set %u\n",
+                         nr_acpi_bits - 1, acpi_id);
                 return AE_OK;
         }
         /* OK, There is a ACPI Processor object */