X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fisdn%2Fgigaset%2Finterface.c;h=74fd234956c8949ac2042161b9254456c87b0dda;hb=5f2f444136abdb13dbd2094555aa65fc252aef6c;hp=08e4c4eea14d985ecc186e99cc434f76b1334faf;hpb=a890b15c0990cc8d686edcc85f5fccde71ad5ce9;p=powerpc.git

diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 08e4c4eea1..74fd234956 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);
 }