diff options
Diffstat (limited to 'drivers/net/hamradio/6pack.c')
| -rw-r--r-- | drivers/net/hamradio/6pack.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 0f501d2ca93..91e4232501b 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -397,13 +397,14 @@ static DEFINE_RWLOCK(disc_data_lock); static struct sixpack *sp_get(struct tty_struct *tty) { + unsigned long flags; struct sixpack *sp; - read_lock(&disc_data_lock); + read_lock_irqsave(&disc_data_lock, flags); sp = tty->disc_data; if (sp) atomic_inc(&sp->refcnt); - read_unlock(&disc_data_lock); + read_unlock_irqrestore(&disc_data_lock, flags); return sp; } @@ -687,12 +688,13 @@ out: */ static void sixpack_close(struct tty_struct *tty) { + unsigned long flags; struct sixpack *sp; - write_lock(&disc_data_lock); + write_lock_irqsave(&disc_data_lock, flags); sp = tty->disc_data; tty->disc_data = NULL; - write_unlock(&disc_data_lock); + write_unlock_irqrestore(&disc_data_lock, flags); if (!sp) return; |