1 files changed, 2 insertions, 8 deletions

diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index f80a7c48a35..0d708836703 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1219,16 +1219,10 @@ static int capinc_tty_chars_in_buffer(struct tty_struct *tty)
         return mp->outbytes;
 }
 
-static int capinc_tty_ioctl(struct tty_struct *tty, struct file * file,
+static int capinc_tty_ioctl(struct tty_struct *tty,
                     unsigned int cmd, unsigned long arg)
 {
-        int error = 0;
-        switch (cmd) {
-        default:
-                error = n_tty_ioctl_helper(tty, file, cmd, arg);
-                break;
-        }
-        return error;
+        return -ENOIOCTLCMD;
 }
 
 static void capinc_tty_set_termios(struct tty_struct *tty, struct ktermios * old)