diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f6c72e3a2be1..d4753420ae0b 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1068,6 +1068,8 @@ static unsigned int flatten_lpi_states(struct acpi_processor *pr,
 				stash_composite_state(curr_level, flpi);
 				flat_state_cnt++;
 				flpi++;
+				if (flat_state_cnt >= ACPI_PROCESSOR_MAX_POWER)
+					break;
 			}
 		}
 	}