On Friday 27 January 2006 2:09 pm, Micah Dowty wrote: > This patch bumps usbfs' arbitrary limit on control URB buffer size > up from one page to two pages. This is necessary to support devices > that require control requests with a full 4096 bytes of data, since > the URB buffer must also include 8 bytes for the SETUP packet.
Then you should test for 4K + 8 bytes, unless you also fix the OHCI driver to accept an 8KByte data stage... > Signed-off-by: Micah Dowty <[EMAIL PROTECTED]> > > --- .pc/usbctrl-4k-limit/drivers/usb/core/devio.c 2006-01-27 > 14:03:54.000000000 -0800 > +++ drivers/usb/core/devio.c 2006-01-27 14:03:56.000000000 -0800 > @@ -872,7 +872,7 @@ > != USB_ENDPOINT_XFER_CONTROL) > return -EINVAL; > /* min 8 byte setup packet, max arbitrary */ > - if (uurb->buffer_length < 8 || uurb->buffer_length > PAGE_SIZE) > + if (uurb->buffer_length < 8 || uurb->buffer_length > > PAGE_SIZE*2) > return -EINVAL; > if (!(dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL))) > return -ENOMEM; > > ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
