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Date:   Wed, 15 Jul 2020 10:01:45 -0400
From:   George Kennedy <george.kennedy@...cle.com>
To:     David Miller <davem@...emloft.net>
Cc:     dan.carpenter@...cle.com, kuba@...nel.org, dhaval.giani@...cle.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH 1/1] ax88172a: fix ax88172a_unbind() failures



On 7/14/2020 5:37 PM, David Miller wrote:
> From: George Kennedy <george.kennedy@...cle.com>
> Date: Tue, 14 Jul 2020 17:34:33 -0400
>
>> For example, the failing case here has "ret" = 0 (#define ETH_ALEN 6):
>>
>>      172 static int ax88172a_bind(struct usbnet *dev, struct
>> usb_interface *intf)
>>      173 {
>> ...
>>      186         /* Get the MAC address */
>>      187         ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0,
>> ETH_ALEN, buf, 0);
>>      188         if (ret < ETH_ALEN) {
>>      189                 netdev_err(dev->net, "Failed to read MAC
>> address: %d\n", ret);
>>      190                 goto free;
>>      191         }
>> "drivers/net/usb/ax88172a.c"
> Then this is the spot that should set 'ret' to -EINVAL or similar?

Made the suggested fix and sent the updated patch with following:

Subject: [PATCH v2 1/1] ax88172a: fix ax88172a_unbind() failures

George

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