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kill capinc_tty_ioctl()

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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-09-12 17:52:23 -04:00
parent 7765435030
commit 864e880de5
1 changed files with 0 additions and 7 deletions
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7
drivers/isdn/capi/capi.c
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@ -1155,12 +1155,6 @@ static int capinc_tty_chars_in_buffer(struct tty_struct *tty)
return mp->outbytes; 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) static void capinc_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
{ {
pr_debug("capinc_tty_set_termios\n"); pr_debug("capinc_tty_set_termios\n");
@ -1236,7 +1230,6 @@ static const struct tty_operations capinc_ops = {
.flush_chars = capinc_tty_flush_chars, .flush_chars = capinc_tty_flush_chars,
.write_room = capinc_tty_write_room, .write_room = capinc_tty_write_room,
.chars_in_buffer = capinc_tty_chars_in_buffer, .chars_in_buffer = capinc_tty_chars_in_buffer,
.ioctl = capinc_tty_ioctl,
.set_termios = capinc_tty_set_termios, .set_termios = capinc_tty_set_termios,
.throttle = capinc_tty_throttle, .throttle = capinc_tty_throttle,
.unthrottle = capinc_tty_unthrottle, .unthrottle = capinc_tty_unthrottle,