From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
Jon Povey <jon.povey@racelogic.co.uk>,
David Brownell <dbrownell@users.sourceforge.net>
Subject: [071/165] USB: g_serial: fix tty cleanup on unload
Date: Fri, 30 Jul 2010 10:14:59 -0700 [thread overview]
Message-ID: <20100730171506.082412236@clark.site> (raw)
In-Reply-To: <20100730171550.GA1299@kroah.com
2.6.32-stable review patch. If anyone has any objections, please let us know.
------------------
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__);
reply other threads:[~2010-07-30 19:03 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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