On Wed, Jan 08, 2014 at 09:01:38PM +0100, Frank Schäfer wrote: > Am 07.01.2014 18:59, schrieb Tejun Heo: > > Hello, > > > > cc'ing Mauro and quoting whole body for him. > > > > So, ummm, the sysfs rule was that any group below a device should be > > removed before the device itself is removed; however, nothing really > > checked whether this actually was the case. We didn't care whether > > the order was reversed and if somebody forgot to remove the group > > afterwards, we just leaked it. After this commit, sysfs now whines if > > the order is reversed, so the warning. > > > > While this should probably be fixed from the v4l side, I'm really > > skeptical we're gaining anything by requiring users to explicitly > > remove groups during device removal. In most cases, this is a > > completely unnecessary task. Maybe we should just hunt down all > > remove_group calls and remove all the unnecessary ones. > > > > Thanks. > What about the USB mass storage devices ? > Is it just a coincidence that this happens with two completely different > types of USB devices ?
Yes it is, there's a big long thread on the linux-usb and scsi mailing lists about this, and the fix should be final soon. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/