linux-kernel - [PATCH 1/2] regulator: fixed: Delete error messages for failed memory allocations in reg_fixed_voltage

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Date:   Tue, 16 May 2017 14:07:24 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        kernel-janitors@...r.kernel.org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Wolfram Sang <wsa@...-dreams.de>
Subject: [PATCH 1/2] regulator: fixed: Delete error messages for failed memory
 allocations in reg_fixed_voltage_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 16 May 2017 13:31:20 +0200

Omit two extra messages for memory allocation failures in this function.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/regulator/fixed.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index 988a7472c2ab..a947f357d0f8 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -124,10 +124,9 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
 	drvdata->desc.name = devm_kstrdup(&pdev->dev,
 					  config->supply_name,
 					  GFP_KERNEL);
-	if (drvdata->desc.name == NULL) {
-		dev_err(&pdev->dev, "Failed to allocate supply name\n");
+	if (!drvdata->desc.name)
 		return -ENOMEM;
-	}
+
 	drvdata->desc.type = REGULATOR_VOLTAGE;
 	drvdata->desc.owner = THIS_MODULE;
 	drvdata->desc.ops = &fixed_voltage_ops;
@@ -138,11 +137,8 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
 		drvdata->desc.supply_name = devm_kstrdup(&pdev->dev,
 					    config->input_supply,
 					    GFP_KERNEL);
-		if (!drvdata->desc.supply_name) {
-			dev_err(&pdev->dev,
-				"Failed to allocate input supply\n");
+		if (!drvdata->desc.supply_name)
 			return -ENOMEM;
-		}
 	}
 
 	if (config->microvolts)
-- 
2.13.0