1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index bd2e4267528e..596f3aebe2f7 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -134,7 +134,7 @@ static int  if_tiocmset(struct tty_struct *tty, struct file *file,
 static int  if_write(struct tty_struct *tty,
                      const unsigned char *buf, int count);
 
-static struct tty_operations if_ops = {
+static const struct tty_operations if_ops = {
         .open =                 if_open,
         .close =                if_close,
         .ioctl =                if_ioctl,