diff options
Diffstat (limited to 'sys/dev/uart/uart_tty.c')
| -rw-r--r-- | sys/dev/uart/uart_tty.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/uart/uart_tty.c b/sys/dev/uart/uart_tty.c index c31b542..ada4927 100644 --- a/sys/dev/uart/uart_tty.c +++ b/sys/dev/uart/uart_tty.c @@ -404,3 +404,13 @@ uart_tty_detach(struct uart_softc *sc) return (0); } + +struct mtx * +uart_tty_getlock(struct uart_softc *sc) +{ + + if (sc->sc_u.u_tty.tp != NULL) + return (tty_getlock(sc->sc_u.u_tty.tp)); + else + return (NULL); +} |
