3b3fc051 Fri Apr 23 21:24:08 CDT 2021 Al Viro <viro@zeniv.linux.org.uk> iov_iter_advance(): use consistent semantics for move past the end
asking to advance by more than we have left in the iov_iter should move to the very end; it should *not* leave negative i->count and it should not spew into syslog, etc. - it's a legitimate operation.