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

From: angkery
Date: Fri Mar 05 2021 - 09:29:57 EST


From: Junlin Yang <yangjunlin@xxxxxxxxxx>

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

Signed-off-by: Junlin Yang <yangjunlin@xxxxxxxxxx>
---
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