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authorMark Brown <broonie@linaro.org>2014-04-29 10:01:28 -0700
committerMark Brown <broonie@linaro.org>2014-04-29 10:01:28 -0700
commit3e93457b45a1a8c69227ce596ee2005fa06f20dd (patch)
tree248c27e432533b1af80a9b2240eaa8e48e3b87cc /drivers/tty/tty_io.c
parent290414499cf94284a97cc3c33214d13ccfcd896a (diff)
parentc42ba72ec3a7a1b6aa30122931f1f4b91b601c31 (diff)
Merge tag 'ib-mfd-regulator-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into regulator-tps65090
Immutable branch between MFD and Regulator due for v3.16 merge-window.
Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index d3448a90f0f9..34110719fe03 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -878,9 +878,8 @@ void disassociate_ctty(int on_exit)
spin_lock_irq(&current->sighand->siglock);
put_pid(current->signal->tty_old_pgrp);
current->signal->tty_old_pgrp = NULL;
- spin_unlock_irq(&current->sighand->siglock);
- tty = get_current_tty();
+ tty = tty_kref_get(current->signal->tty);
if (tty) {
unsigned long flags;
spin_lock_irqsave(&tty->ctrl_lock, flags);
@@ -897,6 +896,7 @@ void disassociate_ctty(int on_exit)
#endif
}
+ spin_unlock_irq(&current->sighand->siglock);
/* Now clear signal->tty under the lock */
read_lock(&tasklist_lock);
session_clear_tty(task_session(current));