patch "staging: gdm724x: gdm_mux: fix use-after-free on module unload" added to staging-next

This is a note to let you know that I've just added the patch titled

staging: gdm724x: gdm_mux: fix use-after-free on module unload

to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-next branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will also be merged in the next major kernel release during the merge window.

If you have any questions about this process, please let me know.

From: Johan Hovold <[email protected]>
Date: Wed, 26 Apr 2017 12:23:04 +0200
Subject: staging: gdm724x: gdm_mux: fix use-after-free on module unload

Make sure to deregister the USB driver before releasing the tty driver to avoid use-after-free in the USB disconnect callback where the tty devices are deregistered.

---
 drivers/staging/gdm724x/gdm_mux.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

index aba32e22db0c..996b1f538aae 100644
@@ -664,9 +664,8 @@ static int __init gdm_usb_mux_init(void)
 
 static void __exit gdm_usb_mux_exit(void)
 {
-	unregister_lte_tty_driver();
-
 	usb_deregister(&gdm_mux_driver);
+	unregister_lte_tty_driver();
 }
 
 module_init(gdm_usb_mux_init);

2.12.2