2 files changed, 3 insertions, 3 deletions

diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 871b0cbca5e4..798d7f3e42ef 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1231,7 +1231,7 @@ static int capinc_tty_ioctl(struct tty_struct *tty, struct file * file,
         int error = 0;
         switch (cmd) {
         default:
-                error = n_tty_ioctl (tty, file, cmd, arg);
+                error = n_tty_ioctl_helper(tty, file, cmd, arg);
                 break;
         }
         return error;
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index 5e89fa177816..cc4f4e44ffe4 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -645,7 +645,7 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file,
         case TCGETS:
         case TCGETA:
                 /* pass through to underlying serial device */
-                rc = n_tty_ioctl(tty, file, cmd, arg);
+                rc = n_tty_ioctl_helper(tty, file, cmd, arg);
                 break;
 
         case TCFLSH:
@@ -660,7 +660,7 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file,
                         break;
                 }
                 /* flush the serial port's buffer */
-                rc = n_tty_ioctl(tty, file, cmd, arg);
+                rc = n_tty_ioctl_helper(tty, file, cmd, arg);
                 break;
 
         case FIONREAD: