linux-kernel - Re: [PATCH] usb: gadget: goku

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Message-ID: <AANLkTi=inrYar8MrwZbPsUH4NF1H7KdzdC86nrR21qz7@mail.gmail.com>
Date:	Mon, 4 Oct 2010 16:20:18 +0530
From:	Rahul Ruikar <rahul.ruikar@...il.com>
To:	Sergei Shtylyov <sshtylyov@...sta.com>
Cc:	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Dan Carpenter <error27@...il.com>, nm127@...email.hu,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: gadget: goku_udc: Fix error path

Sergei,

Please ignore this particular patch.. I resubmitted this in another mail

Thanks,
- Rahul Ruikar





On 4 October 2010 16:16, Sergei Shtylyov <sshtylyov@...sta.com> wrote:
> Hello.
>
> On 03-10-2010 18:10, Rahul Ruikar wrote:
>
>> call put_device() when device_register() fails.
>
>> Signed-off-by: Rahul Ruikar<rahul.ruikar@...il.com>
>
> [...]
>>
>> diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
>> index 1088d08..080779b 100644
>> --- a/drivers/usb/gadget/goku_udc.c
>> +++ b/drivers/usb/gadget/goku_udc.c
>> @@ -1847,8 +1847,13 @@ static int goku_probe(struct pci_dev *pdev, const
>> struct pci_device_id *id)
>>        /* done */
>>        the_controller = dev;
>>        retval = device_register(&dev->gadget.dev);
>> -       if (retval == 0)
>> +       if (retval != 0) {
>> +               dev_reg_status = 2;
>> +               goto done;
>> +       } else {
>> +               dev_reg_status = 1;
>
>   Did you mean 'dev->dev_reg_status'?
>
>>                return 0;
>> +       }
>>
>>  done:
>>        if (dev)
>> diff --git a/drivers/usb/gadget/goku_udc.h b/drivers/usb/gadget/goku_udc.h
>> index 566cb23..c27b9e2 100644
>> --- a/drivers/usb/gadget/goku_udc.h
>> +++ b/drivers/usb/gadget/goku_udc.h
>> @@ -251,7 +251,8 @@ struct goku_udc {
>>                                        got_region:1,
>>                                        req_config:1,
>>                                        configured:1,
>> -                                       enabled:1;
>> +                                       enabled:1,
>> +                                       dev_reg_status:2;
>
>   I don't see where this new field is read in your patch...
>
> WBR, Sergei
>
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