diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/tty_io.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 142427c6e8f..48b59006afc 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -129,6 +129,7 @@ LIST_HEAD(tty_drivers); /* linked list of tty drivers */ /* Semaphore to protect creating and releasing a tty. This is shared with vt.c for deeply disgusting hack reasons */ DEFINE_MUTEX(tty_mutex); +EXPORT_SYMBOL(tty_mutex); #ifdef CONFIG_UNIX98_PTYS extern struct tty_driver *ptm_driver; /* Unix98 pty masters; for /dev/ptmx */ |