diff options
Diffstat (limited to 'drivers/isdn/gigaset/interface.c')
| -rw-r--r-- | drivers/isdn/gigaset/interface.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c index 08e4c4eea14d..74fd234956c8 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -625,7 +625,14 @@ void gigaset_if_init(struct cardstate *cs) return; tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs); - tty_register_device(drv->tty, cs->minor_index, NULL); + cs->class = tty_register_device(drv->tty, cs->minor_index, NULL); + + if (!IS_ERR(cs->class)) + class_set_devdata(cs->class, cs); + else { + warn("could not register device to the tty subsystem"); + cs->class = NULL; + } } void gigaset_if_free(struct cardstate *cs) @@ -638,6 +645,7 @@ void gigaset_if_free(struct cardstate *cs) tasklet_disable(&cs->if_wake_tasklet); tasklet_kill(&cs->if_wake_tasklet); + cs->class = NULL; tty_unregister_device(drv->tty, cs->minor_index); } |