On Thu, 21 Aug 2003, David Brownell wrote:
> (I've seen some vendor
> protocols that don't use all the SETUP packet bytes the same
> way that standard requests do, so wLength isn't necessarily
> relevant here.)
Hmm. So maybe this part of my patch submitted earlier today (as85) is
wrong?
+ if (urb->transfer_buffer_length != le16_to_cpu(setup->wLength))
+ return -EMSGSIZE;
What about this part:
+ if (urb->transfer_buffer_length > 0 &&
+ (setup->bRequestType & USB_DIR_IN)) {
+ urb->pipe = pipe |= USB_DIR_IN;
+ is_out = 0;
+ } else {
+ urb->pipe = pipe &= ~USB_DIR_IN;
+ is_out = 1;
+ }
If the setup packet is being used in a nonstandard way then neither of
these should be included.
Alan Stern
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