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path: root/drivers/char/vt_ioctl.c
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Diffstat (limited to 'drivers/char/vt_ioctl.c')
-rw-r--r--drivers/char/vt_ioctl.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index cb19dbc52136..2bbeaaea46e9 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -133,7 +133,7 @@ static void vt_event_wait(struct vt_event_wait *vw)
list_add(&vw->list, &vt_events);
spin_unlock_irqrestore(&vt_event_lock, flags);
/* Wait for it to pass */
- wait_event_interruptible(vt_event_waitqueue, vw->done);
+ wait_event_interruptible_tty(vt_event_waitqueue, vw->done);
/* Dequeue it */
spin_lock_irqsave(&vt_event_lock, flags);
list_del(&vw->list);
@@ -509,7 +509,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
console = vc->vc_num;
- lock_kernel();
+ tty_lock();
if (!vc_cons_allocated(console)) { /* impossible? */
ret = -ENOIOCTLCMD;
@@ -1336,7 +1336,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
ret = -ENOIOCTLCMD;
}
out:
- unlock_kernel();
+ tty_unlock();
return ret;
eperm:
ret = -EPERM;
@@ -1369,7 +1369,7 @@ void vc_SAK(struct work_struct *work)
acquire_console_sem();
vc = vc_con->d;
if (vc) {
- tty = vc->vc_tty;
+ tty = vc->port.tty;
/*
* SAK should also work in all raw modes and reset
* them properly.
@@ -1503,7 +1503,7 @@ long vt_compat_ioctl(struct tty_struct *tty, struct file * file,
console = vc->vc_num;
- lock_kernel();
+ tty_lock();
if (!vc_cons_allocated(console)) { /* impossible? */
ret = -ENOIOCTLCMD;
@@ -1571,11 +1571,11 @@ long vt_compat_ioctl(struct tty_struct *tty, struct file * file,
goto fallback;
}
out:
- unlock_kernel();
+ tty_unlock();
return ret;
fallback:
- unlock_kernel();
+ tty_unlock();
return vt_ioctl(tty, file, cmd, arg);
}
@@ -1761,10 +1761,13 @@ int vt_move_to_console(unsigned int vt, int alloc)
return -EIO;
}
release_console_sem();
+ tty_lock();
if (vt_waitactive(vt + 1)) {
pr_debug("Suspend: Can't switch VCs.");
+ tty_unlock();
return -EINTR;
}
+ tty_unlock();
return prev;
}