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path: root/drivers/char/tty_io.c
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Diffstat (limited to 'drivers/char/tty_io.c')
-rw-r--r--drivers/char/tty_io.c5
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);
}