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path: root/drivers/tty/tty_io.c
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Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 0065da4b11c1..8ef2d69470ec 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2465,12 +2465,12 @@ out:
* Locking: none (up to the driver)
*/
-static int tty_tiocmget(struct tty_struct *tty, struct file *file, int __user *p)
+static int tty_tiocmget(struct tty_struct *tty, int __user *p)
{
int retval = -EINVAL;
if (tty->ops->tiocmget) {
- retval = tty->ops->tiocmget(tty, file);
+ retval = tty->ops->tiocmget(tty);
if (retval >= 0)
retval = put_user(retval, p);
@@ -2481,7 +2481,6 @@ static int tty_tiocmget(struct tty_struct *tty, struct file *file, int __user *p
/**
* tty_tiocmset - set modem status
* @tty: tty device
- * @file: user file pointer
* @cmd: command - clear bits, set bits or set all
* @p: pointer to desired bits
*
@@ -2491,7 +2490,7 @@ static int tty_tiocmget(struct tty_struct *tty, struct file *file, int __user *p
* Locking: none (up to the driver)
*/
-static int tty_tiocmset(struct tty_struct *tty, struct file *file, unsigned int cmd,
+static int tty_tiocmset(struct tty_struct *tty, unsigned int cmd,
unsigned __user *p)
{
int retval;
@@ -2518,7 +2517,7 @@ static int tty_tiocmset(struct tty_struct *tty, struct file *file, unsigned int
}
set &= TIOCM_DTR|TIOCM_RTS|TIOCM_OUT1|TIOCM_OUT2|TIOCM_LOOP;
clear &= TIOCM_DTR|TIOCM_RTS|TIOCM_OUT1|TIOCM_OUT2|TIOCM_LOOP;
- return tty->ops->tiocmset(tty, file, set, clear);
+ return tty->ops->tiocmset(tty, set, clear);
}
static int tty_tiocgicount(struct tty_struct *tty, void __user *arg)
@@ -2627,6 +2626,11 @@ 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 TIOCVHANGUP:
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ tty_vhangup(tty);
+ return 0;
case TIOCGDEV:
{
unsigned int ret = new_encode_dev(tty_devnum(real_tty));
@@ -2655,11 +2659,11 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return send_break(tty, arg ? arg*100 : 250);
case TIOCMGET:
- return tty_tiocmget(tty, file, p);
+ return tty_tiocmget(tty, p);
case TIOCMSET:
case TIOCMBIC:
case TIOCMBIS:
- return tty_tiocmset(tty, file, cmd, p);
+ return tty_tiocmset(tty, cmd, p);
case TIOCGICOUNT:
retval = tty_tiocgicount(tty, p);
/* For the moment allow fall through to the old method */
@@ -2677,7 +2681,7 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
break;
}
if (tty->ops->ioctl) {
- retval = (tty->ops->ioctl)(tty, file, cmd, arg);
+ retval = (tty->ops->ioctl)(tty, cmd, arg);
if (retval != -ENOIOCTLCMD)
return retval;
}
@@ -2705,7 +2709,7 @@ static long tty_compat_ioctl(struct file *file, unsigned int cmd,
return -EINVAL;
if (tty->ops->compat_ioctl) {
- retval = (tty->ops->compat_ioctl)(tty, file, cmd, arg);
+ retval = (tty->ops->compat_ioctl)(tty, cmd, arg);
if (retval != -ENOIOCTLCMD)
return retval;
}