Re: usb_control_msg() reads 0 bytes in Linux 2.6.23-rc1
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 24 Jul 2007, Pete Zaitcev wrote: > On Tue, 24 Jul 2007 16:46:21 -0400 (EDT), Alan Stern <[email protected]> wrote: > > > static int usb_start_wait_urb(struct urb *urb, int timeout, int *actual_length) > > { > > - struct completion done; > > + struct api_context ctx; > > unsigned long expire; > > int retval; > > - int status = urb->status; > > > > - init_completion(&done); > > - urb->context = &done; > > + init_completion(&ctx.done); > > + urb->context = &ctx; > > urb->actual_length = 0; > > retval = usb_submit_urb(urb, GFP_NOIO); > > Oh. My. God. I'm not quite sure what to make of your reaction. :-) Let's see what Greg has to say... Actually, callback structures like this are not at all uncommon. So you shouldn't worry that it looks a little awkward. Alan Stern ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel