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authorAxel Lin <axel.lin@gmail.com>2011-11-15 15:59:09 -0500
committerRafael J. Wysocki <rjw@sisk.pl>2011-11-23 15:05:55 -0500
commit3f19f08a7ec74cfc50fbad3c5e615760afbd23a0 (patch)
tree2d0bf56045dab430325dd6df59f0c135f00daf55
parentbb58dd5d1ffad6c2d21c69698ba766dad4ae54e6 (diff)
PM / devfreq: separate error paths from successful path
I think this change improves code readability. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
-rw-r--r--drivers/devfreq/devfreq.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 59d24e9cb8c5..c189b82f5ece 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -347,7 +347,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
347 if (!IS_ERR(devfreq)) { 347 if (!IS_ERR(devfreq)) {
348 dev_err(dev, "%s: Unable to create devfreq for the device. It already has one.\n", __func__); 348 dev_err(dev, "%s: Unable to create devfreq for the device. It already has one.\n", __func__);
349 err = -EINVAL; 349 err = -EINVAL;
350 goto out; 350 goto err_out;
351 } 351 }
352 } 352 }
353 353
@@ -356,7 +356,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
356 dev_err(dev, "%s: Unable to create devfreq for the device\n", 356 dev_err(dev, "%s: Unable to create devfreq for the device\n",
357 __func__); 357 __func__);
358 err = -ENOMEM; 358 err = -ENOMEM;
359 goto out; 359 goto err_out;
360 } 360 }
361 361
362 mutex_init(&devfreq->lock); 362 mutex_init(&devfreq->lock);
@@ -399,17 +399,16 @@ struct devfreq *devfreq_add_device(struct device *dev,
399 devfreq->next_polling); 399 devfreq->next_polling);
400 } 400 }
401 mutex_unlock(&devfreq_list_lock); 401 mutex_unlock(&devfreq_list_lock);
402 goto out; 402out:
403 return devfreq;
404
403err_init: 405err_init:
404 device_unregister(&devfreq->dev); 406 device_unregister(&devfreq->dev);
405err_dev: 407err_dev:
406 mutex_unlock(&devfreq->lock); 408 mutex_unlock(&devfreq->lock);
407 kfree(devfreq); 409 kfree(devfreq);
408out: 410err_out:
409 if (err) 411 return ERR_PTR(err);
410 return ERR_PTR(err);
411 else
412 return devfreq;
413} 412}
414 413
415/** 414/**