Patch taking account of log2 intervals for iso and interrupt urbs.
--- linux-2.5.54/drivers/usb/core/devio.c 2003-01-02 03:22:02.000000000 +0000
+++ /usr/src/linux/drivers/usb/core/devio.c 2003-01-16 20:04:52.000000000 +0000
@@ -854,13 +854,21 @@
return -EINVAL;
}
uurb.buffer_length = totlen;
- break;
-
+ if(!(ep_desc = usb_epnum_to_ep_desc(ps->dev, uurb.endpoint)))
+ return -ENOENT;
+ interval = 1 << (ep_desc->bInterval-1);
case USBDEVFS_URB_TYPE_INTERRUPT:
uurb.number_of_packets = 0;
if (!(ep_desc = usb_epnum_to_ep_desc(ps->dev, uurb.endpoint)))
return -ENOENT;
- interval = ep_desc->bInterval;
+ switch(ps->dev->speed){
+ case USB_SPEED_HIGH:
+ interval = 1 << (ep_desc->bInterval-1);
+ break;
+ default:
+ interval = ep_desc->bInterval;
+ }
+
if (uurb.buffer_length > 16384)
return -EINVAL;
if (!access_ok((uurb.endpoint & USB_DIR_IN) ? VERIFY_WRITE :
VERIFY_READ, uurb.buffer, uurb.buffer_length))
-------------------------------------------------------
This SF.NET email is sponsored by: Thawte.com
Understand how to protect your customers personal information by implementing
SSL on your Apache Web Server. Click here to get our FREE Thawte Apache
Guide: http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0029en
_______________________________________________
[EMAIL PROTECTED]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
