diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2018-09-12 17:54:22 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2018-10-13 00:50:45 -0400 |
| commit | e67504c5958f122944d4b9316d1cfc737027c466 (patch) | |
| tree | 1d525b956288eff71c3570de3ca8eecee8bb9c28 /drivers | |
| parent | 864e880de59ecd891260f264d2884eabb9d6760c (diff) | |
| download | linux-e67504c5958f122944d4b9316d1cfc737027c466.tar.gz | |
isdn_tty: TCSBRK{,P} won't reach ->ioctl()
kill the long-dead code - it's been unreachable since 2008. Redundant, as well - generic will do exact same thing, since ->break_ctl is NULL here... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/isdn/i4l/isdn_tty.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index b730037a0e2d..1b2239c1d569 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -1412,31 +1412,12 @@ static int isdn_tty_ioctl(struct tty_struct *tty, uint cmd, ulong arg) { modem_info *info = (modem_info *) tty->driver_data; - int retval; if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_ioctl")) return -ENODEV; if (tty_io_error(tty)) return -EIO; switch (cmd) { - case TCSBRK: /* SVID version: non-zero arg --> no break */ -#ifdef ISDN_DEBUG_MODEM_IOCTL - printk(KERN_DEBUG "ttyI%d ioctl TCSBRK\n", info->line); -#endif - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - return 0; - case TCSBRKP: /* support for POSIX tcsendbreak() */ -#ifdef ISDN_DEBUG_MODEM_IOCTL - printk(KERN_DEBUG "ttyI%d ioctl TCSBRKP\n", info->line); -#endif - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - return 0; case TIOCSERGETLSR: /* Get line status register */ #ifdef ISDN_DEBUG_MODEM_IOCTL printk(KERN_DEBUG "ttyI%d ioctl TIOCSERGETLSR\n", info->line); |