linux-kernel - [PATCH 07/21] cpuidle: rearrange __cpuidle_register

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Date:	Sun, 22 Sep 2013 06:50:59 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	rjw@...k.pl, daniel.lezcano@...aro.org
Cc:	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH 07/21] cpuidle: rearrange __cpuidle_register_device() to keep minimal exit points

This patch rearranges __cpuidle_register_device() a bit in order to reduce the
number of exit points of this function.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/cpuidle/cpuidle.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 211e504..8c91bad 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -383,13 +383,12 @@ static int __cpuidle_register_device(struct cpuidle_device *dev)
 	list_add(&dev->device_list, &cpuidle_detected_devices);
 
 	ret = cpuidle_coupled_register_device(dev);
-	if (ret) {
+	if (ret)
 		__cpuidle_unregister_device(dev);
-		return ret;
-	}
+	else
+		dev->registered = 1;
 
-	dev->registered = 1;
-	return 0;
+	return ret;
 }
 
 /**
-- 
1.7.12.rc2.18.g61b472e

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