linux-kernel - [PATCH 1/3] pinctrl: rockchip: Delete error messages for a failed memory allocation in two functions

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Date:   Sat, 23 Dec 2017 22:38:50 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-gpio@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        Heiko Stübner <heiko@...ech.de>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 1/3] pinctrl: rockchip: Delete error messages for a failed
 memory allocation in two functions

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 23 Dec 2017 22:02:47 +0100

Omit extra messages for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/pinctrl/pinctrl-rockchip.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 2ba17548ad5b..285169170eb2 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -2400,18 +2400,14 @@ static int rockchip_pinctrl_parse_dt(struct platform_device *pdev,
 	info->functions = devm_kzalloc(dev, info->nfunctions *
 					      sizeof(struct rockchip_pmx_func),
 					      GFP_KERNEL);
-	if (!info->functions) {
-		dev_err(dev, "failed to allocate memory for function list\n");
+	if (!info->functions)
 		return -EINVAL;
-	}
 
 	info->groups = devm_kzalloc(dev, info->ngroups *
 					    sizeof(struct rockchip_pin_group),
 					    GFP_KERNEL);
-	if (!info->groups) {
-		dev_err(dev, "failed allocate memory for ping group list\n");
+	if (!info->groups)
 		return -EINVAL;
-	}
 
 	i = 0;
 
@@ -2447,10 +2443,9 @@ static int rockchip_pinctrl_register(struct platform_device *pdev,
 
 	pindesc = devm_kzalloc(&pdev->dev, sizeof(*pindesc) *
 			info->ctrl->nr_pins, GFP_KERNEL);
-	if (!pindesc) {
-		dev_err(&pdev->dev, "mem alloc for pin descriptors failed\n");
+	if (!pindesc)
 		return -ENOMEM;
-	}
+
 	ctrldesc->pins = pindesc;
 	ctrldesc->npins = info->ctrl->nr_pins;
 
-- 
2.15.1