tree 3a4a73d44e6ed62674cd5ae4ccf57fb3bac25d0d
parent 1a695a905c18548062509178b98bc91e67510864
author Al Viro <viro@zeniv.linux.org.uk> 1465054909 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1465055944 -0400

fix EOPENSTALE bug in do_last()

EOPENSTALE occuring at the last component of a trailing symlink ends up
with do_last() retrying its lookup.  After the symlink body has been
discarded.  The thing is, all this retry_lookup logics in there is not
needed at all - the upper layers will do the right thing if we simply
return that -EOPENSTALE as we would with any other error.  Trying to
microoptimize in do_last() is a lot of headache for no good reason.

Cc: stable@vger.kernel.org # v4.2+
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Reviewed-and-Tested-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>