From 53af9cfb37af5e03ee2b24c5d5c4963c34e5b765 Mon Sep 17 00:00:00 2001
From: Len Brown <lenb@kernel.org>
Date: Sun, 15 Mar 2009 23:36:38 -0400
Subject: ACPI: get_throttling_state() cannot be larger than state_count

Reported-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/processor_throttling.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index d27838171f4..5f099012f47 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -783,11 +783,9 @@ static int acpi_get_throttling_state(struct acpi_processor *pr,
 		    (struct acpi_processor_tx_tss *)&(pr->throttling.
 						      states_tss[i]);
 		if (tx->control == value)
-			break;
+			return i;
 	}
-	if (i > pr->throttling.state_count)
-		i = -1;
-	return i;
+	return -1;
 }
 
 static int acpi_get_throttling_value(struct acpi_processor *pr,
-- 
cgit v1.2.3