From: Al Viro <v...@zeniv.linux.org.uk>

NULL ->ioctl() in tty_operations is treated as "returns -ENOIOCTLCMD"...

Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
 drivers/isdn/capi/capi.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index ef5560b848ab..e1da70a9530c 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1155,12 +1155,6 @@ static int capinc_tty_chars_in_buffer(struct tty_struct 
*tty)
        return mp->outbytes;
 }
 
-static int capinc_tty_ioctl(struct tty_struct *tty,
-                           unsigned int cmd, unsigned long arg)
-{
-       return -ENOIOCTLCMD;
-}
-
 static void capinc_tty_set_termios(struct tty_struct *tty, struct ktermios 
*old)
 {
        pr_debug("capinc_tty_set_termios\n");
@@ -1236,7 +1230,6 @@ static const struct tty_operations capinc_ops = {
        .flush_chars = capinc_tty_flush_chars,
        .write_room = capinc_tty_write_room,
        .chars_in_buffer = capinc_tty_chars_in_buffer,
-       .ioctl = capinc_tty_ioctl,
        .set_termios = capinc_tty_set_termios,
        .throttle = capinc_tty_throttle,
        .unthrottle = capinc_tty_unthrottle,
-- 
2.11.0

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