linux-kernel - Re: [PATCH v1 1/6] staging: qlge: Initialize devlink health dump framework for the dlge driver

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Message-ID: <20201008125428.ppyqjefow4oepvxb@Rk>
Date:   Thu, 8 Oct 2020 20:54:28 +0800
From:   Coiby Xu <coiby.xu@...il.com>
To:     Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc:     devel@...verdev.osuosl.org,
        Benjamin Poirier <benjamin.poirier@...il.com>,
        Shung-Hsi Yu <shung-hsi.yu@...e.com>,
        Manish Chopra <manishc@...vell.com>,
        "supporter:QLOGIC QLGE 10Gb ETHERNET DRIVER" 
        <GR-Linux-NIC-Dev@...vell.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:QLOGIC QLGE 10Gb ETHERNET DRIVER" <netdev@...r.kernel.org>
Subject: Re: [PATCH v1 1/6] staging: qlge: Initialize devlink health dump
 framework for the dlge driver

On Thu, Oct 08, 2020 at 08:22:44AM -0400, Willem de Bruijn wrote:
>On Thu, Oct 8, 2020 at 7:58 AM Coiby Xu <coiby.xu@...il.com> wrote:
>>
>> Initialize devlink health dump framework for the dlge driver so the
>> coredump could be done via devlink.
>>
>> Signed-off-by: Coiby Xu <coiby.xu@...il.com>
>
>> @@ -4556,6 +4559,13 @@ static int qlge_probe(struct pci_dev *pdev,
>>         struct ql_adapter *qdev = NULL;
>>         static int cards_found;
>>         int err = 0;
>> +       struct devlink *devlink;
>> +       struct qlge_devlink *ql_devlink;
>> +
>> +       devlink = devlink_alloc(&qlge_devlink_ops, sizeof(struct qlge_devlink));
>> +       if (!devlink)
>> +               return -ENOMEM;
>> +       ql_devlink = devlink_priv(devlink);
>>
>>         ndev = alloc_etherdev_mq(sizeof(struct ql_adapter),
>>                                  min(MAX_CPUS,
>
>need to goto devlink_free instead of return -ENOMEM here, too.
>
>> @@ -4614,6 +4624,16 @@ static int qlge_probe(struct pci_dev *pdev,
>>                 free_netdev(ndev);
>>                 return err;
>
>and here
>
Thank you for reviewing this work and the speedy feedback! I'll fix it
in v2.
>>         }
>> +
>> +       err = devlink_register(devlink, &pdev->dev);
>> +       if (err) {
>> +               goto devlink_free;
>> +       }
>> +
>> +       qlge_health_create_reporters(ql_devlink);
>> +       ql_devlink->qdev = qdev;
>> +       ql_devlink->ndev = ndev;
>> +       qdev->ql_devlink = ql_devlink;
>>         /* Start up the timer to trigger EEH if
>>          * the bus goes dead
>>          */
>> @@ -4624,6 +4644,10 @@ static int qlge_probe(struct pci_dev *pdev,
>>         atomic_set(&qdev->lb_count, 0);
>>         cards_found++;
>>         return 0;
>> +
>> +devlink_free:
>> +       devlink_free(devlink);
>> +       return err;
>>  }

--
Best regards,
Coiby