On Tue, Jul 10, 2018 at 07:39:07PM -0700, Linus Torvalds wrote: > On Tue, Jul 10, 2018 at 7:23 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > > > > > cleanup_all: > > + if (unlikely(error > 0)) { > > + WARN_ON(1); > > + error = -EINVAL; > > + } > > Can we please do this as > > if (WARN_ON_ONCE(error > 0)) > error = -EINVAL; > > > instead? > > That already should do the unlikely for you, and *if* somebody can > trigger this, at least they won't be spamming the logs and making a > mess. A single warning is fine. No problem, will do...