From ac5595854f41c6ac61cbaa82079ef6de008f5c06 Mon Sep 17 00:00:00 2001
From: Toshi Kani <toshi.kani@hp.com>
Date: Sat, 31 Mar 2012 21:37:02 -0600
Subject: [PATCH] --- yaml --- r: 298869 b: refs/heads/master c:
 ee01e663373343c63e0e3d364d09f6155378dbcc h: refs/heads/master i:   298867:
 3414b9e352eee020b64c1c1d00af29e0a43124a6 v: v3

---
 [refs]                          | 2 +-
 trunk/drivers/cpuidle/cpuidle.c | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 05aa349908a3..97ee2e95bd04 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 54f70077768e9aba37d9c5030b43497b6d5084fb
+refs/heads/master: ee01e663373343c63e0e3d364d09f6155378dbcc
diff --git a/trunk/drivers/cpuidle/cpuidle.c b/trunk/drivers/cpuidle/cpuidle.c
index 3e146b2ada4a..a71376a45d8e 100644
--- a/trunk/drivers/cpuidle/cpuidle.c
+++ b/trunk/drivers/cpuidle/cpuidle.c
@@ -74,7 +74,7 @@ static cpuidle_enter_t cpuidle_enter_ops;
 /**
  * cpuidle_play_dead - cpu off-lining
  *
- * Only returns in case of an error
+ * Returns in case of an error or no driver
  */
 int cpuidle_play_dead(void)
 {
@@ -83,6 +83,9 @@ int cpuidle_play_dead(void)
 	int i, dead_state = -1;
 	int power_usage = -1;
 
+	if (!drv)
+		return -ENODEV;
+
 	/* Find lowest-power state that supports long-term idle */
 	for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) {
 		struct cpuidle_state *s = &drv->states[i];