From 6d558a52ba295fc1c281c671d7daab2f74ddb4f2 Mon Sep 17 00:00:00 2001
From: Olivier Blin <blino@mandriva.com>
Date: Fri, 8 Aug 2008 12:01:41 -0700
Subject: [PATCH] hso: fix refcounting on the ttyHSx devices
The references on ttyHSx devices were not decremented correctly when
the tty was closed. The helper freeing the serial devices was never
called because of that, and the module left some dangling sysfs
devices after being unloaded.
Signed-off-by: Olivier Blin <blino@mandriva.com>
Cc: Jari Tenhunen <jari.tenhunen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
drivers/net/usb/hso.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 94a27f764e6b..94c41bbedee9 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1103,8 +1103,8 @@ 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) {
- kref_put(&serial->parent->ref, hso_serial_ref_free);
serial->open_count = 0;
if (serial->tty) {
serial->tty->driver_data = NULL;
--
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