linux-kernel - [PATCH v4 6/7] leds: leds-pwm: Simplify cleanup code

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Date:	Wed, 12 Dec 2012 10:04:51 +0100
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Bryan Wu <cooloney@...il.com>, Richard Purdie <rpurdie@...ys.net>,
	Grant Likely <grant.likely@...retlab.ca>,
	Thierry Reding <thierry.reding@...onic-design.de>
CC:	<linux-kernel@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-leds@...r.kernel.org>
Subject: [PATCH v4 6/7] leds: leds-pwm: Simplify cleanup code

The code looks more nicer if we use:

while (i--)

instead:
if (i > 0)
	for (i = i - 1; i >= 0; i--)

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/leds/leds-pwm.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index c767837..46f4e44 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -104,10 +104,8 @@ static int led_pwm_probe(struct platform_device *pdev)
 	return 0;
 
 err:
-	if (i > 0) {
-		for (i = i - 1; i >= 0; i--)
-			led_classdev_unregister(&priv->leds[i].cdev);
-	}
+	while (i--)
+		led_classdev_unregister(&priv->leds[i].cdev);
 
 	return ret;
 }
-- 
1.8.0

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