Commits
Wang Chen committed 42a77a1b8fe
Fix istallion build failure
Commits b02f5ad6a3ff5a1ee2a7b8ec6eee338de553b060 ("istallion: use
tty_port") and a352def21a642133758b868c71bee12ab34ad5c5 ("tty: Ldisc
revamp") broke the istallion driver.
Fix the compile error and silence a warning.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>