[PATCH 2/2] ldisc: debug aids

[Alan Cox]

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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