On Wed, 2012-10-24 at 12:03 +0300, Kalle Valo wrote: > Johannes Berg <johannes@xxxxxxxxxxxxxxxx> writes: > > > On Wed, 2012-10-24 at 11:59 +0300, Kalle Valo wrote: > > > >> Is there a way to check that drivers don't accidentally clear the flags > >> (ie. use '=' instead '|=')? For example by adding a dummy flag and > >> checking afterwards that it's not cleared? > >> > >> I'm just worried that this detail might be too easy to miss, for example > >> somehow I had missed this patch and noticed only when rebasing ath6kl > >> patches. > > > > Yes, that should be possible, set some dummy flag in wiphy_new() and > > test & clear it in wiphy_register()? > > The tricky part is to make sure that the dummy flag won't conflict with > a real feature flag value in the future :) Seems like a non-issue? If you say use 1<<31 to test, and somebody adds 1<<31, they'll find that their flag never works and will figure it out? johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html