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Date:   Tue, 22 Jun 2021 10:29:39 +0300
From:   Dan Carpenter <dan.carpenter@oracle.com>
To:     Coiby Xu <coiby.xu@gmail.com>
Cc:     linux-staging@lists.linux.dev, netdev@vger.kernel.org,
        Benjamin Poirier <benjamin.poirier@gmail.com>,
        Shung-Hsi Yu <shung-hsi.yu@suse.com>,
        Manish Chopra <manishc@marvell.com>,
        "supporter:QLOGIC QLGE 10Gb ETHERNET DRIVER" 
        <GR-Linux-NIC-Dev@marvell.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [RFC 16/19] staging: qlge: remove deadcode in qlge_build_rx_skb
Message-ID: <20210622072939.GL1861@kadam>
References: <20210621134902.83587-1-coiby.xu@gmail.com>
 <20210621134902.83587-17-coiby.xu@gmail.com>
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On Mon, Jun 21, 2021 at 09:48:59PM +0800, Coiby Xu wrote:
> This part of code is for the case that "the headers and data are in
> a single large buffer". However, qlge_process_mac_split_rx_intr is for
> handling packets that packets underwent head splitting. In reality, with
> jumbo frame enabled, the part of code couldn't be reached regardless of
> the packet size when ping the NIC.
> 

This commit message is a bit confusing.  We're just deleting the else
statement.  Once I knew that then it was easy enough to review
qlge_process_mac_rx_intr() and see that if if
ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_DL is set then
ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV must be set.

regards,
dan carpenter