From dfdbf3f6e2d279f2a46ed95614cb4bf07657394d Mon Sep 17 00:00:00 2001 From: Ian Wisbon Date: Tue, 15 Feb 2011 15:53:51 -0500 Subject: Digi del-5.6 Complete --- drivers/net/usb/hso.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/net/usb/hso.c') diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index f8c6d7ea7264..9e1fc2968cf1 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -1362,7 +1362,7 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) /* reset the rts and dtr */ /* do the actual close */ serial->open_count--; - kref_put(&serial->parent->ref, hso_serial_ref_free); + if (serial->open_count <= 0) { serial->open_count = 0; spin_lock_irq(&serial->serial_lock); @@ -1382,6 +1382,8 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) usb_autopm_put_interface(serial->parent->interface); mutex_unlock(&serial->parent->mutex); + + kref_put(&serial->parent->ref, hso_serial_ref_free); } /* close the requested serial port */ -- cgit v1.2.3