From: Alan Cox <alan@redhat.com>
Date: Thu, 15 Jan 2009 13:31:15 +0000 (+0000)
Subject: tty: Fix a kref leak in the HSO driver on re-open
X-Git-Tag: firefly_0821_release~15856
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fe41cbb164a0dc55f3914a0e4cabe8240410157c;p=firefly-linux-kernel-4.4.55.git

tty: Fix a kref leak in the HSO driver on re-open

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index c4918b86ed19..9df04dd1332c 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1297,6 +1297,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
 	/* setup */
 	spin_lock_irq(&serial->serial_lock);
 	tty->driver_data = serial;
+	tty_kref_put(serial->tty);
 	serial->tty = tty_kref_get(tty);
 	spin_unlock_irq(&serial->serial_lock);