linux-kernel - [PATCH] drivers: dpaa2: Use devm_kcalloc() in setup

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Message-Id: <20200611024520.630-1-vulab@iscas.ac.cn>
Date:   Thu, 11 Jun 2020 02:45:20 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     ioana.ciornei@....com, ruxandra.radulescu@....com,
        davem@...emloft.net, kuba@...nel.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drivers: dpaa2: Use devm_kcalloc() in setup_dpni()

A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "devm_kcalloc".

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 8fb48de5d18c..f150cd454fa4 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -2907,8 +2907,9 @@ static int setup_dpni(struct fsl_mc_device *ls_dev)
 	if (err && err != -EOPNOTSUPP)
 		goto close;
 
-	priv->cls_rules = devm_kzalloc(dev, sizeof(struct dpaa2_eth_cls_rule) *
-				       dpaa2_eth_fs_count(priv), GFP_KERNEL);
+	priv->cls_rules = devm_kcalloc(dev, dpaa2_eth_fs_count(priv),
+				       sizeof(struct dpaa2_eth_cls_rule),
+				       GFP_KERNEL);
 	if (!priv->cls_rules) {
 		err = -ENOMEM;
 		goto close;
-- 
2.17.1