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tty: move tioclinux from a special case 

Right now we have ifdefs and hooks in the core ioctl handler for TIOCLINUX
and then test if its a console. This is brain dead. Instead call the
tioclinux helper from the relevant driver ioctl methods.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2008-10-13 10:36:40 +01:00 committed by Linus Torvalds
parent b70ac77185
commit e688510773
3 changed files with 2 additions and 6 deletions
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4
drivers/char/tty_io.c
View File

@ -3026,10 +3026,6 @@ 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);
#ifdef CONFIG_VT
case TIOCLINUX:
return tioclinux(tty, arg);
#endif
/*
* Break handling
*/

2
drivers/char/vt.c
View File

@ -2583,8 +2583,6 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
int lines;
int ret;
if (tty->driver->type != TTY_DRIVER_TYPE_CONSOLE)
return -EINVAL;
if (current->signal->tty != tty && !capable(CAP_SYS_ADMIN))
return -EPERM;
if (get_user(type, p))

2
drivers/char/vt_ioctl.c
View File

@ -395,6 +395,8 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
kbd = kbd_table + console;
switch (cmd) {
case TIOCLINUX:
return tioclinux(tty, arg);
case KIOCSOUND:
if (!perm)
goto eperm;