[PATCH 2/2] ldisc: debug aids

From: Alan Cox
Date: Mon Jun 15 2009 - 10:34:20 EST


From: Alan Cox <alan@xxxxxxxxxxxxxxx>


---

drivers/char/tty_ldisc.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)


diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index 874c248..a19e935 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -207,6 +207,7 @@ static void tty_ldisc_put(struct tty_ldisc *ld)
ldo->refcount--;
module_put(ldo->owner);
spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+ WARN_ON(ld->refcount);
kfree(ld);
}


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