* Alan Stern | 2011-12-08 14:42:51 [-0500]:
>> +static void forward_miter(struct sg_mapping_iter *miter, u32 bytes)
>> +{
>> + u32 done = 0;
>> +
>> + /* press the forward button on the URB side */
>> + if (!bytes)
>> + return;
>> + do {
>> + done += miter->length;
>> + if (bytes > done) {
>> + sg_miter_next(miter);
>> + continue;
>> + }
>> + if (bytes == done)
>> + break;
>> +
>> + miter->consumed = miter->length - (done - bytes);
>> + break;
>> + } while (1);
>> + sg_miter_next(miter);
>> +}
>
>This entire routine could be eliminated if you put the sg_mapping_iter
>thingy inside the urbp private structure. Don't start the iteration
>until you're ready to use it, of course.
Done.
>Alan Stern
Sebastian
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