On Mon, Jul 16, 2018 at 02:14:27PM -0700, Todd Poynor wrote: > On Fri, Jul 13, 2018 at 11:32 PM, Greg Kroah-Hartman > <gre...@linuxfoundation.org> wrote: > > On Fri, Jul 13, 2018 at 10:58:03PM -0700, Todd Poynor wrote: > >> From: Todd Poynor <toddpoy...@google.com> > >> > >> Return EBUSY for attempt to create a mapping already in use. > > > > Why? > > The existing code returns EINVAL which often means something bogus was > requested, whereas EBUSY is sometimes used for requesting something > already in use. If that's not an error typically returned in this > situation I'm happy to drop it.
My "why" was rhetorical, please spell this out in the changelog text :) thanks, greg k-h
