On Fri, Jan 25, 2013 at 5:51 PM, Greg KH <gre...@linuxfoundation.org> wrote:
> On Fri, Jan 25, 2013 at 05:05:44PM +0100, Frans Klaver wrote:
>> Filtering the correct interface has been moved to the probe function,
>> which seems more appropriate. Filtering in attach is slightly easier,
>> but returning any error will result in EIO.
>
> That's the proper place for it (probe).
I thought as much. There are some other drivers that filter out
interfaces using attach, though.
>> I'd remove the bNumEndpoints if I could.
>
> What do you mean by that?
checkpatch was warning me about camel casing.
>> +static int has_required_endpoints(const struct usb_host_interface
>> *interface)
>> +{
>> + __u8 i;
<snip>
>> +}
>
> Well, only one _very_ tiny issue. And it's nothing to stop me from
> taking this patch, but only for you to know about.
>
> Variable types that start with "__" are there as they cross the
> user/kernel boundry. On the kernel side, they can always be referenced
> by using the non-"__" type, as it is the same. So you almost never see
> local variables with the "__" type.
>
> So you really should just make the first line of this function be:
> u8 i;
>
> But it's not a big deal at all, I'll go queue this patch up now.
I wasn't aware of that. Feel free to remove the leading underscores,
if that's acceptable.
Thanks,
Frans
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