linux-kernel - Re: [PATCH net-next 01/10] net: hns3: split out hclge_fd_check_ether

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Message-Id: <20200418.201746.783676213458110248.davem@davemloft.net>
Date:   Sat, 18 Apr 2020 20:17:46 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     tanhuazhong@...wei.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        salil.mehta@...wei.com, yisen.zhuang@...wei.com,
        linuxarm@...wei.com, kuba@...nel.org, shenjian15@...wei.com
Subject: Re: [PATCH net-next 01/10] net: hns3: split out
 hclge_fd_check_ether_tuple()

From: Huazhong Tan <tanhuazhong@...wei.com>
Date: Sat, 18 Apr 2020 14:47:00 +0800

> +static int hclge_fd_check_spec(struct hclge_dev *hdev,
> +			       struct ethtool_rx_flow_spec *fs,
> +			       u32 *unused_tuple)
> +{
> +	int ret = 0;

There is no code path that uses 'ret' without it first being
assigned.  If I let this code in, then someone is going to
submit a fixup patch removing the initialization.