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[PATCH 2/5] pinctrl: mvebu: Delete an error message for a failed memory allocation in three functions

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH 2/5] pinctrl: mvebu: Delete an error message for a failed memory allocation in three functions
Date 2017-01-12 17:40 +0100
Message-ID <sYQzV-6d7-59@gated-at.bofh.it> (permalink)
References <sYQzT-6d7-1@gated-at.bofh.it>
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 12 Jan 2017 16:15:34 +0100

The script "checkpatch.pl" pointed information out like the following.

WARNING: Possible unnecessary 'out of memory' message

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/pinctrl/mvebu/pinctrl-mvebu.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
index c2f74572ac01..0618311e75dc 100644
--- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c
+++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
@@ -399,12 +399,8 @@ static int mvebu_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
 	}
 
 	*map = kmalloc_array(nmaps, sizeof(**map), GFP_KERNEL);
-	if (*map == NULL) {
-		dev_err(pctl->dev,
-			"cannot allocate pinctrl_map memory for %s\n",
-			np->name);
+	if (!*map)
 		return -ENOMEM;
-	}
 
 	n = 0;
 	of_property_for_each_string(np, "marvell,pins", prop, group) {
@@ -563,10 +559,8 @@ int mvebu_pinctrl_probe(struct platform_device *pdev)
 
 	pctl = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_pinctrl),
 			GFP_KERNEL);
-	if (!pctl) {
-		dev_err(&pdev->dev, "unable to alloc driver\n");
+	if (!pctl)
 		return -ENOMEM;
-	}
 
 	pctl->desc.name = dev_name(&pdev->dev);
 	pctl->desc.owner = THIS_MODULE;
@@ -604,10 +598,8 @@ int mvebu_pinctrl_probe(struct platform_device *pdev)
 
 	pdesc = devm_kzalloc(&pdev->dev, pctl->desc.npins *
 			     sizeof(struct pinctrl_pin_desc), GFP_KERNEL);
-	if (!pdesc) {
-		dev_err(&pdev->dev, "failed to alloc pinctrl pins\n");
+	if (!pdesc)
 		return -ENOMEM;
-	}
 
 	for (n = 0; n < pctl->desc.npins; n++)
 		pdesc[n].number = n;
-- 
2.11.0

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Thread

[PATCH 0/5] pinctrl-mvebu: Fine-tuning for four function  implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2017-01-12 17:40 +0100
  [PATCH 3/5] pinctrl: mvebu: Delete an unnecessary return statement in  mvebu_pinconf_group_dbg_show() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-01-12 17:40 +0100
  [PATCH 4/5] pinctrl: mvebu: Use seq_puts() in  mvebu_pinconf_group_dbg_show() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-01-12 17:40 +0100
  [PATCH 5/5] pinctrl: mvebu: Use seq_putc() in  mvebu_pinconf_group_dbg_show() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-01-12 17:40 +0100
  [PATCH 2/5] pinctrl: mvebu: Delete an error message for a failed  memory allocation in three functions SF Markus Elfring <elfring@users.sourceforge.net> - 2017-01-12 17:40 +0100
  [PATCH 1/5] pinctrl: mvebu: Use kmalloc_array() in  mvebu_pinctrl_dt_node_to_map() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-01-12 17:40 +0100

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