netdev - [PATCH] ethernet: ucc_geth: Use kmemdup instead of kmalloc and memcpy

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Date:   Fri,  5 Mar 2021 22:27:11 +0800
From:   angkery <angkery@....com>
To:     leoyang.li@....com, davem@...emloft.net, kuba@...nel.org
Cc:     netdev@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, Junlin Yang <yangjunlin@...ong.com>
Subject: [PATCH] ethernet: ucc_geth: Use kmemdup instead of kmalloc and memcpy

From: Junlin Yang <yangjunlin@...ong.com>

Fixes coccicheck warnings:
./drivers/net/ethernet/freescale/ucc_geth.c:3594:11-18:
WARNING opportunity for kmemdup

Signed-off-by: Junlin Yang <yangjunlin@...ong.com>
---
 drivers/net/ethernet/freescale/ucc_geth.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index ef4e2fe..2c079ad 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -3591,10 +3591,9 @@ static int ucc_geth_probe(struct platform_device* ofdev)
 	if ((ucc_num < 0) || (ucc_num > 7))
 		return -ENODEV;
 
-	ug_info = kmalloc(sizeof(*ug_info), GFP_KERNEL);
+	ug_info = kmemdup(&ugeth_primary_info, sizeof(*ug_info), GFP_KERNEL);
 	if (ug_info == NULL)
 		return -ENOMEM;
-	memcpy(ug_info, &ugeth_primary_info, sizeof(*ug_info));
 
 	ug_info->uf_info.ucc_num = ucc_num;
 
-- 
1.9.1