Fix the error handling in __cpuidle_register_device to include
the missing list_del.  Move it to a label, which will simplify
the error handling when coupled states are added.

Signed-off-by: Colin Cross <ccr...@android.com>
---
 drivers/cpuidle/cpuidle.c |   13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 1486b3c..ea00a16 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -318,13 +318,18 @@ static int __cpuidle_register_device(struct 
cpuidle_device *dev)
 
        per_cpu(cpuidle_devices, dev->cpu) = dev;
        list_add(&dev->device_list, &cpuidle_detected_devices);
-       if ((ret = cpuidle_add_sysfs(sys_dev))) {
-               module_put(cpuidle_driver->owner);
-               return ret;
-       }
+       ret = cpuidle_add_sysfs(sys_dev);
+       if (ret)
+               goto err_sysfs;
 
        dev->registered = 1;
        return 0;
+
+err_sysfs:
+       module_put(cpuidle_driver->owner);
+       list_del(&dev->device_list);
+       per_cpu(cpuidle_devices, dev->cpu) = NULL;
+       return ret;
 }
 
 /**
-- 
1.7.4.1

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