linux-kernel - [PATCH 2/2] of_coresight: Use devm_kcalloc() in of_coresight_alloc

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Message-ID: <f053b2f8-9c35-a5fc-5260-dfee273faf53@users.sourceforge.net>
Date:   Thu, 27 Apr 2017 21:47:38 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-arm-kernel@...ts.infradead.org,
        Chunyan Zhang <zhang.chunyan@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Mike Leach <mike.leach@...aro.org>,
        Pratik Patel <pratikp@...eaurora.org>,
        "Suzuki K. Poulose" <suzuki.poulose@....com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 2/2] of_coresight: Use devm_kcalloc() in
 of_coresight_alloc_memory()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 27 Apr 2017 21:29:12 +0200

Multiplications for the size determination of memory allocations
indicated that array data structures should be processed.
Thus use the corresponding function "devm_kcalloc".

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/hwtracing/coresight/of_coresight.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/hwtracing/coresight/of_coresight.c b/drivers/hwtracing/coresight/of_coresight.c
index 09142e99e915..1e622912cd0f 100644
--- a/drivers/hwtracing/coresight/of_coresight.c
+++ b/drivers/hwtracing/coresight/of_coresight.c
@@ -78,21 +78,21 @@ static int of_coresight_alloc_memory(struct device *dev,
 			struct coresight_platform_data *pdata)
 {
 	/* List of output port on this component */
-	pdata->outports = devm_kzalloc(dev, pdata->nr_outport *
+	pdata->outports = devm_kcalloc(dev, pdata->nr_outport,
 				       sizeof(*pdata->outports),
 				       GFP_KERNEL);
 	if (!pdata->outports)
 		return -ENOMEM;
 
 	/* Children connected to this component via @outports */
-	pdata->child_names = devm_kzalloc(dev, pdata->nr_outport *
+	pdata->child_names = devm_kcalloc(dev, pdata->nr_outport,
 					  sizeof(*pdata->child_names),
 					  GFP_KERNEL);
 	if (!pdata->child_names)
 		return -ENOMEM;
 
 	/* Port number on the child this component is connected to */
-	pdata->child_ports = devm_kzalloc(dev, pdata->nr_outport *
+	pdata->child_ports = devm_kcalloc(dev, pdata->nr_outport,
 					  sizeof(*pdata->child_ports),
 					  GFP_KERNEL);
 	if (!pdata->child_ports)
-- 
2.12.2