linux-kernel - [PATCH 1/6] gpio: xgene: remove redundant error message

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Date:   Wed,  2 Oct 2019 19:02:44 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Alban Bedel <albeu@...e.fr>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 1/6] gpio: xgene: remove redundant error message

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

There's no need to emit an error message on probe failure unless we're
printing some meaningful info. Otherwise the core driver code will
inform us about a probe error.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/gpio/gpio-xgene.c | 23 +++++++----------------
 1 file changed, 7 insertions(+), 16 deletions(-)

diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c
index 2918363884de..900b38a7dba8 100644
--- a/drivers/gpio/gpio-xgene.c
+++ b/drivers/gpio/gpio-xgene.c
@@ -160,23 +160,17 @@ static int xgene_gpio_probe(struct platform_device *pdev)
 	int err = 0;
 
 	gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);
-	if (!gpio) {
-		err = -ENOMEM;
-		goto err;
-	}
+	if (!gpio)
+		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		err = -EINVAL;
-		goto err;
-	}
+	if (!res)
+		return -EINVAL;
 
 	gpio->base = devm_ioremap_nocache(&pdev->dev, res->start,
 							resource_size(res));
-	if (!gpio->base) {
-		err = -ENOMEM;
-		goto err;
-	}
+	if (!gpio->base)
+		return -ENOMEM;
 
 	gpio->chip.ngpio = XGENE_MAX_GPIOS;
 
@@ -196,14 +190,11 @@ static int xgene_gpio_probe(struct platform_device *pdev)
 	if (err) {
 		dev_err(&pdev->dev,
 			"failed to register gpiochip.\n");
-		goto err;
+		return err;
 	}
 
 	dev_info(&pdev->dev, "X-Gene GPIO driver registered.\n");
 	return 0;
-err:
-	dev_err(&pdev->dev, "X-Gene GPIO driver registration failed.\n");
-	return err;
 }
 
 static const struct of_device_id xgene_gpio_of_match[] = {
-- 
2.23.0