[PATCH] net/mlx5: use kmemdup() to replace kzalloc + memcpy
From: Jiapeng Chong <hidden>
Date: 2022-09-09 05:43:16
Also in:
linux-rdma, lkml
Subsystem:
mellanox ethernet driver (mlx5e), mellanox ethernet innova drivers, mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
./drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c:932:27-34: WARNING opportunity for kmemdup. Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2107 Reported-by: Abaci Robot <redacted> Signed-off-by: Jiapeng Chong <redacted> --- drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
index d9d18b039d8c..e32892943ee5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c@@ -929,14 +929,13 @@ static int mlx5e_macsec_add_secy(struct macsec_context *ctx) goto out; } - macsec_device->dev_addr = kzalloc(dev->addr_len, GFP_KERNEL); + macsec_device->dev_addr = kmemdup(dev->dev_addr, dev->addr_len, GFP_KERNEL); if (!macsec_device->dev_addr) { kfree(macsec_device); err = -ENOMEM; goto out; } - memcpy(macsec_device->dev_addr, dev->dev_addr, dev->addr_len); macsec_device->netdev = dev; INIT_LIST_HEAD_RCU(&macsec_device->macsec_rx_sc_list_head);
--
2.20.1.7.g153144c