diff options
| author | Colin Cross <ccross@android.com> | 2012-05-07 17:57:40 -0700 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2012-07-18 08:52:44 +0100 |
| commit | 946748276237c9e2eefc904d60d7ce42e8ecab5d (patch) | |
| tree | 946b37c10d6520ab94f264d60e48d41e1ac07b54 | |
| parent | 226236118a0d46f16ff75bfa1087978ce319fb68 (diff) | |
| download | vexpress-a9-946748276237c9e2eefc904d60d7ce42e8ecab5d.tar.gz | |
cpuidle: fix error handling in __cpuidle_register_device
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.
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Colin Cross <ccross@android.com>
Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
| -rw-r--r-- | 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 cd266101c80..3c37ced0e0c 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -392,13 +392,18 @@ 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(cpu_dev))) { - module_put(cpuidle_driver->owner); - return ret; - } + ret = cpuidle_add_sysfs(cpu_dev); + if (ret) + goto err_sysfs; dev->registered = 1; return 0; + +err_sysfs: + list_del(&dev->device_list); + per_cpu(cpuidle_devices, dev->cpu) = NULL; + module_put(cpuidle_driver->owner); + return ret; } /** |