Hello.

On 10/10/10 16:34, Greg KH wrote:

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>>> OPN2001 expects write operations to arrive as a vendor-specific command
>>> through the control pipe (instead of using a separate bulk-out pipe).

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>>> Signed-off-by: Alon Ziv<alon-git@nolaviz.org>
>>> ---
>>>    drivers/usb/serial/opticon.c |   30 ++++++++++++++++++++++++++----
>>>    1 files changed, 26 insertions(+), 4 deletions(-)

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>>> diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
>>> index 9ff19c8..4fe7c3d 100644
>>> --- a/drivers/usb/serial/opticon.c
>>> +++ b/drivers/usb/serial/opticon.c
>> [...]

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>>> +	} else {
>>> +		struct usb_ctrlrequest *dr;
>>> +
>>> +		dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO);

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>>     sizeof(*dr) is a preferred form.

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> No, people disagree on this, there is no 'preferred' form, you are free
> to use either way.

    Please refer to the CodingStyle chapter 14. This is preferred form, 
according to it...

WBR, Sergei

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