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authorAlan Cox <alan@linux.intel.com>2009-06-16 17:00:53 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 12:01:16 -0700
commit677ca3060c474d7d89941948e32493d9c18c52d2 (patch)
tree2efd5adf7c2ea4cce6ecf608f81575d2be66deb0 /drivers
parent52856ed732aeab5e8e0b7c9e2a7a3d31736218ab (diff)
ldisc: debug aids
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/tty_ldisc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index 874c2486c03..a19e935847b 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);
}