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authorJon Povey <jon.povey@racelogic.co.uk>2010-06-14 19:42:10 +0900
committerGreg Kroah-Hartman <gregkh@suse.de>2010-06-30 08:16:05 -0700
commitb23097b793081358a6d943263c91bae4c955c4e3 (patch)
tree10537604461025c9983974be9b201b2af15bf003 /drivers/usb/gadget/u_serial.c
parent44a0c0190b500ee6bcfc0976fe540f65dee2cd67 (diff)
USB: g_serial: fix tty cleanup on unload
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> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/u_serial.c')
-rw-r--r--drivers/usb/gadget/u_serial.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index a0f79df4c6c2..3e8dcb5455e3 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -1184,6 +1184,7 @@ 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__);