| From b23097b793081358a6d943263c91bae4c955c4e3 Mon Sep 17 00:00:00 2001 |
| From: Jon Povey <jon.povey@racelogic.co.uk> |
| Date: Mon, 14 Jun 2010 19:42:10 +0900 |
| Subject: USB: g_serial: fix tty cleanup on unload |
| |
| From: Jon Povey <jon.povey@racelogic.co.uk> |
| |
| commit b23097b793081358a6d943263c91bae4c955c4e3 upstream. |
| |
| Call put_tty_driver() in cleanup function, to fix Oops when trying to open |
| gadget serial char device after module unload. |
| |
| Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk> |
| Acked-by: David Brownell <dbrownell@users.sourceforge.net> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| |
| --- |
| drivers/usb/gadget/u_serial.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/drivers/usb/gadget/u_serial.c |
| +++ b/drivers/usb/gadget/u_serial.c |
| @@ -1183,6 +1183,7 @@ void gserial_cleanup(void) |
| n_ports = 0; |
| |
| tty_unregister_driver(gs_tty_driver); |
| + put_tty_driver(gs_tty_driver); |
| gs_tty_driver = NULL; |
| |
| pr_debug("%s: cleaned up ttyGS* support\n", __func__); |
