linux-kernel - [PATCH -next] GPIO: clps711x: use platform_device_unregister in gpio_clps711x

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Message-ID: <CAPgLHd8BxYammidxX_-fmQSujf2LHL44qYMEBVDLrfV2ziBKBA@mail.gmail.com>
Date:	Fri, 26 Oct 2012 23:15:05 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	grant.likely@...retlab.ca, linus.walleij@...aro.org
Cc:	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH -next] GPIO: clps711x: use platform_device_unregister in gpio_clps711x_init()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.

Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases.  All other usage is a bug.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/gpio/gpio-clps711x.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-clps711x.c b/drivers/gpio/gpio-clps711x.c
index 0753b3a..def66ae 100644
--- a/drivers/gpio/gpio-clps711x.c
+++ b/drivers/gpio/gpio-clps711x.c
@@ -130,8 +130,7 @@ static int __init gpio_clps711x_init(void)
 			    GFP_KERNEL);
 	if (!gpio) {
 		dev_err(&pdev->dev, "GPIO allocating memory error\n");
-		platform_device_del(pdev);
-		platform_device_put(pdev);
+		platform_device_unregister(pdev);
 		return -ENOMEM;
 	}
 

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