diff options
| author | Werner Fink <werner@suse.de> | 2010-12-03 14:48:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-17 03:18:28 +0300 |
| commit | b7b8de087384cc1954a8cd075af3f9e5977caa2e (patch) | |
| tree | e362fe2c886c610caa9bd45fead9c4ae4789529e /drivers/tty/tty_io.c | |
| parent | fbc92a3455577ab17615cbcb91826399061bd789 (diff) | |
| download | linux-b7b8de087384cc1954a8cd075af3f9e5977caa2e.tar.xz | |
TTY: Add tty ioctl to figure device node of the system console.
This has been in the SuSE kernels for a very long time.
Signed-off-by: Werner Fink <werner@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index be5ab4ac0b93..d2333ab23d07 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2618,6 +2618,11 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return put_user(tty->ldisc->ops->num, (int __user *)p); case TIOCSETD: return tiocsetd(tty, p); + case TIOCGDEV: + { + unsigned int ret = new_encode_dev(tty_devnum(real_tty)); + return put_user(ret, (unsigned int __user *)p); + } /* * Break handling */ |