linux-kernel - Re: [PATCH net-next v08 4/9] hinic3: Add .ndo_set_features and .ndo_fix

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Message-ID: <20260105174019.1bbe2bd3@kernel.org>
Date: Mon, 5 Jan 2026 17:40:19 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Fan Gong <gongfan1@...wei.com>
Cc: Zhu Yikai <zhuyikai1@...artners.com>, <netdev@...r.kernel.org>, "David
 S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo
 Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, Andrew Lunn
 <andrew+netdev@...n.ch>, Markus Elfring <Markus.Elfring@....de>, Pavan
 Chebbi <pavan.chebbi@...adcom.com>, ALOK TIWARI <alok.a.tiwari@...cle.com>,
 <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>, luosifu
 <luosifu@...wei.com>, Xin Guo <guoxin09@...wei.com>, Shen Chenyang
 <shenchenyang1@...ilicon.com>, Zhou Shuai <zhoushuai28@...wei.com>, Wu Like
 <wulike1@...wei.com>, Shi Jing <shijing34@...wei.com>, Luo Yang
 <luoyang82@...artners.com>
Subject: Re: [PATCH net-next v08 4/9] hinic3: Add .ndo_set_features and
 .ndo_fix_features

AI code review points out:

> diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_nic_cfg.c b/drivers/net/ethernet/huawei/hinic3/hinic3_nic_cfg.c
> index 7fec13bbe60e..c8944c51e6bf 100644
> --- a/drivers/net/ethernet/huawei/hinic3/hinic3_nic_cfg.c
> +++ b/drivers/net/ethernet/huawei/hinic3/hinic3_nic_cfg.c

[ ... ]

> +int hinic3_set_rx_vlan_offload(struct hinic3_hwdev *hwdev, u8 en)
> +{
> +	struct l2nic_cmd_vlan_offload vlan_cfg = {};
                                              ^^^^
Note the zero initialization here.

[ ... ]

> +int hinic3_set_vlan_filter(struct hinic3_hwdev *hwdev, u32 vlan_filter_ctrl)
> +{
> +	struct l2nic_cmd_set_vlan_filter vlan_filter;
                                                   ^
Should this be zero-initialized with = {} like the other similar
functions in this file (hinic3_set_rx_lro, hinic3_set_rx_lro_timer,
hinic3_set_rx_vlan_offload)?

When hinic3_send_mbox_to_mgmt() fails, vlan_filter.msg_head.status
contains garbage which is then printed in the dev_err() message below.
Additionally, the uninitialized rsvd[2] and msg_head fields are sent to
the firmware in the mailbox message.

> +	struct mgmt_msg_params msg_params = {};
> +	int err;