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cpuidle: fix error handling in __cpuidle_register_device

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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 <[email protected]>
Tested-by: Santosh Shilimkar <[email protected]>
Reviewed-by: Kevin Hilman <[email protected]>
Tested-by: Kevin Hilman <[email protected]>
Signed-off-by: Colin Cross <[email protected]>
Reviewed-by: Rafael J. Wysocki <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Colin Cross 2012-05-07 17:57:40 -07:00 • committed by Len Brown
commit 3af272ab75
1 changed files with 9 additions and 4 deletions
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13
drivers/cpuidle/cpuidle.c
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@ -403,13 +403,18 @@ 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;
}
/**