On Thu, Jul 12, 2018 at 11:18:26AM +0200, Benjamin Gaignard wrote: > 2018-07-12 10:55 GMT+02:00 Greg KH <[email protected]>:
> > Why would a link already exist that is asked to be created again? What > > code path causes this? > It could happen that the link exist because a device use it parent as > supplier. > That case has been describe by Marek in this thread (I forgot to add > it in the commit message, sorry): > https://lkml.org/lkml/2018/7/9/356 If we don't remove the warning then we'd need to have some way for generic code to check if a link that it wants to create exists already since if more than one thing adds links there's always a chance that two of them will come up with the same idea for a link. We could export device_is_dependent() and have them check that, or add a new flag that skips the check for example. This is however probably going to affect a reasonable percentage of potential users.
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