linux-kernel - [PATCH] pinctrl/spear/plgpio: Delete two error messages for a failed memory allocation in plgpio

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Date:   Wed, 27 Dec 2017 22:39:01 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Viresh Kumar <vireshk@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] pinctrl/spear/plgpio: Delete two error messages for a failed
 memory allocation in plgpio_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 27 Dec 2017 22:34:28 +0100

Omit extra messages for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/pinctrl/spear/pinctrl-plgpio.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c
index 6a0ed8ab33b9..d2123e396b29 100644
--- a/drivers/pinctrl/spear/pinctrl-plgpio.c
+++ b/drivers/pinctrl/spear/pinctrl-plgpio.c
@@ -519,10 +519,8 @@ static int plgpio_probe(struct platform_device *pdev)
 	int ret, irq;
 
 	plgpio = devm_kzalloc(&pdev->dev, sizeof(*plgpio), GFP_KERNEL);
-	if (!plgpio) {
-		dev_err(&pdev->dev, "memory allocation fail\n");
+	if (!plgpio)
 		return -ENOMEM;
-	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	plgpio->base = devm_ioremap_resource(&pdev->dev, res);
@@ -544,10 +542,8 @@ static int plgpio_probe(struct platform_device *pdev)
 			sizeof(*plgpio->csave_regs) *
 			DIV_ROUND_UP(plgpio->chip.ngpio, MAX_GPIO_PER_REG),
 			GFP_KERNEL);
-	if (!plgpio->csave_regs) {
-		dev_err(&pdev->dev, "csave registers memory allocation fail\n");
+	if (!plgpio->csave_regs)
 		return -ENOMEM;
-	}
 #endif
 
 	platform_set_drvdata(pdev, plgpio);
-- 
2.15.1