linux-kernel - [PATCH 2/2] devfreq: separate error paths from successful path

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Message-ID: <1320910200.7431.3.camel@phoenix>
Date:	Thu, 10 Nov 2011 15:30:00 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Kevin Hilman <khilman@...com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Mike Turquette <mturquette@...com>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: [PATCH 2/2] devfreq: separate error paths from successful path

I think this change improves readability.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/devfreq/devfreq.c |   15 +++++++--------
 1 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 59d24e9..c189b82 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -347,7 +347,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
 		if (!IS_ERR(devfreq)) {
 			dev_err(dev, "%s: Unable to create devfreq for the device. It already has one.\n", __func__);
 			err = -EINVAL;
-			goto out;
+			goto err_out;
 		}
 	}
 
@@ -356,7 +356,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
 		dev_err(dev, "%s: Unable to create devfreq for the device\n",
 			__func__);
 		err = -ENOMEM;
-		goto out;
+		goto err_out;
 	}
 
 	mutex_init(&devfreq->lock);
@@ -399,17 +399,16 @@ struct devfreq *devfreq_add_device(struct device *dev,
 				   devfreq->next_polling);
 	}
 	mutex_unlock(&devfreq_list_lock);
-	goto out;
+out:
+	return devfreq;
+
 err_init:
 	device_unregister(&devfreq->dev);
 err_dev:
 	mutex_unlock(&devfreq->lock);
 	kfree(devfreq);
-out:
-	if (err)
-		return ERR_PTR(err);
-	else
-		return devfreq;
+err_out:
+	return ERR_PTR(err);
 }
 
 /**
-- 
1.7.5.4



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