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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.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 48d795bb8c4b..811dadb9ce3e 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -543,14 +543,12 @@ void tty_ldisc_put(int disc)
struct tty_ldisc *ld;
unsigned long flags;
- if (disc < N_TTY || disc >= NR_LDISCS)
- BUG();
+ BUG_ON(disc < N_TTY || disc >= NR_LDISCS);
spin_lock_irqsave(&tty_ldisc_lock, flags);
ld = &tty_ldiscs[disc];
- if(ld->refcount == 0)
- BUG();
- ld->refcount --;
+ BUG_ON(ld->refcount == 0);
+ ld->refcount--;
module_put(ld->owner);
spin_unlock_irqrestore(&tty_ldisc_lock, flags);
}
@@ -645,8 +643,7 @@ void tty_ldisc_deref(struct tty_ldisc *ld)
{
unsigned long flags;
- if(ld == NULL)
- BUG();
+ BUG_ON(ld == NULL);
spin_lock_irqsave(&tty_ldisc_lock, flags);
if(ld->refcount == 0)