linux-kernel - [PATCH] gpio: remove useless check in gpiolib_sysfs

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Message-Id: <1406127413-10672-1-git-send-email-acourbot@nvidia.com>
Date:	Wed, 23 Jul 2014 23:56:53 +0900
From:	Alexandre Courbot <acourbot@...dia.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alexandre Courbot <acourbot@...dia.com>
Subject: [PATCH] gpio: remove useless check in gpiolib_sysfs_init()

An iterator variable cannot be NULL in its loop.

Reported-by: Julia Lawall <julia.lawall@...6.fr>
Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
---
 drivers/gpio/gpiolib-sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index 3516502..bcc0ec0 100644
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -814,7 +814,7 @@ static int __init gpiolib_sysfs_init(void)
 	 */
 	spin_lock_irqsave(&gpio_lock, flags);
 	list_for_each_entry(chip, &gpio_chips, list) {
-		if (!chip || chip->exported)
+		if (chip->exported)
 			continue;
 
 		spin_unlock_irqrestore(&gpio_lock, flags);
-- 
2.0.2

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