On Mon, Jul 29, 2019 at 10:47 PM Saravana Kannan <saravanak@xxxxxxxxxx> wrote: > > Rafael, > > This is the fix you need. Or something link this. > > I had asked you to reject DL_FLAG_MANAGED as an input flag if you are > marking it as internal (in the comments). But looks like you were also > trying to check for "undefined" bit positions. However, the check > isn't correct because DL_MANAGED_FLAGS doesn't include (rightfully so) > DL_FLAG_PM_RUNTIME and DL_FLAG_RPM_ACTIVE . > > I tried to write a DL_FLAG_EXTERNAL to include all the external flags, > but that felt like a maintenance headache that's not worth carrying. I > think it's simpler to just error out when internal flags being passed > in and ignore any undefined bit positions. Well, IMO it is better to prevent people from passing unrecognized flags to device_link_add() at all, even if that means some extra effort when adding new flags. I'll post an alternative fix shortly.