diff options
Diffstat (limited to 'drivers/char/tty_io.c')
| -rw-r--r-- | drivers/char/tty_io.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 7053d633369..3f48d88cffc 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -3032,11 +3032,12 @@ EXPORT_SYMBOL(tty_devnum); void proc_clear_tty(struct task_struct *p) { + unsigned long flags; struct tty_struct *tty; - spin_lock_irq(&p->sighand->siglock); + spin_lock_irqsave(&p->sighand->siglock, flags); tty = p->signal->tty; p->signal->tty = NULL; - spin_unlock_irq(&p->sighand->siglock); + spin_unlock_irqrestore(&p->sighand->siglock, flags); tty_kref_put(tty); } |