On Thu, 2 Sep 2010, Simon Arlott wrote: > On 02/09/10 15:22, Alan Stern wrote: > > On Thu, 2 Sep 2010, Simon Arlott wrote: > > > >> On Wed, September 1, 2010 18:49, Alan Stern wrote: > >> > On Wed, 1 Sep 2010, Simon Arlott wrote: > >> >> > This is okay with me. If you're serious about not changing the > >> >> > behavior merely because debugging is enabled, you could move this test > >> >> > out of the debug-only region and possibly change the dev_err to > >> >> > dev_dbg. However doing so might break some devices that are currently > >> >> > working. > > > > Which suggests that the best approach is to print the error message > > always, but allow the submission unless CONFIG_USB_DEBUG is set. > > That could result in a lot of error messages, and it doesn't give any > information on which driver caused it, It would if you added the endpoint number and direction to the error message. > but a single WARN_ON() would > only be triggered once globally. Each USB device (or endpoint) could > have a "warned" flag. That seems ridiculous, especially for such a rare bug. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html