linux-kernel - [PATCH 07/14] pinctrl: SPEAr: Update error check for unsigned variables

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Message-Id: <1353048646-10935-8-git-send-email-tushar.behera@linaro.org>
Date:	Fri, 16 Nov 2012 12:20:39 +0530
From:	Tushar Behera <tushar.behera@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	patches@...aro.org, Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH 07/14] pinctrl: SPEAr: Update error check for unsigned variables

Checking '< 0' for unsigned variables always returns false. For error
codes, use IS_ERR_VALUE() instead.

CC: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
---
 drivers/pinctrl/spear/pinctrl-plgpio.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c
index 1044ad3..9e0c731 100644
--- a/drivers/pinctrl/spear/pinctrl-plgpio.c
+++ b/drivers/pinctrl/spear/pinctrl-plgpio.c
@@ -283,7 +283,7 @@ static int plgpio_to_irq(struct gpio_chip *chip, unsigned offset)
 {
 	struct plgpio *plgpio = container_of(chip, struct plgpio, chip);
 
-	if (plgpio->irq_base < 0)
+	if (IS_ERR_VALUE(plgpio->irq_base))
 		return -EINVAL;
 
 	return irq_find_mapping(plgpio->irq_domain, offset);
-- 
1.7.4.1

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