linux-kernel - [PATCH] power: kmemdup instead of kzalloc + memcpy

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Date:	Wed, 27 Mar 2013 23:48:21 +0200
From:	Andrei Epure <epure.andrei@...il.com>
To:	cbou@...l.ru, dwmw2@...radead.org
Cc:	linux-kernel@...r.kernel.org, Andrei Epure <epure.andrei@...il.com>
Subject: [PATCH] power: kmemdup instead of kzalloc + memcpy

Patch found using coccinelle.

Signed-off-by: Andrei Epure <epure.andrei@...il.com>
---
 drivers/power/charger-manager.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 8acc3f8..fefc39f 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -1485,13 +1485,12 @@ static int charger_manager_probe(struct platform_device *pdev)
 
 	/* Basic Values. Unspecified are Null or 0 */
 	cm->dev = &pdev->dev;
-	cm->desc = kzalloc(sizeof(struct charger_desc), GFP_KERNEL);
+	cm->desc = kmemdup(desc, sizeof(struct charger_desc), GFP_KERNEL);
 	if (!cm->desc) {
 		dev_err(&pdev->dev, "Cannot allocate memory.\n");
 		ret = -ENOMEM;
 		goto err_alloc_desc;
 	}
-	memcpy(cm->desc, desc, sizeof(struct charger_desc));
 	cm->last_temp_mC = INT_MIN; /* denotes "unmeasured, yet" */
 
 	/*
-- 
1.7.9.5

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