3 files changed, 3 insertions, 3 deletions

diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 669f76393b5a..11844bbfe933 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1298,7 +1298,7 @@ static int capinc_tty_read_proc(char *page, char **start, off_t off,
 
 static struct tty_driver *capinc_tty_driver;
 
-static struct tty_operations capinc_ops = {
+static const struct tty_operations capinc_ops = {
         .open = capinc_tty_open,
         .close = capinc_tty_close,
         .write = capinc_tty_write,
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,
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 9ab66e8960d5..2b91bb07fc7f 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1860,7 +1860,7 @@ modem_write_profile(atemu * m)
                 send_sig(SIGIO, dev->profd, 1);
 }
 
-static struct tty_operations modem_ops = {
+static const struct tty_operations modem_ops = {
         .open = isdn_tty_open,
         .close = isdn_tty_close,
         .write = isdn_tty_write,