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(parent: 83f66c9) | patch
staging: gdm724x: gdm_mux: fix use-after-free on module unload
authorJohan Hovold <johan@kernel.org>
Wed, 26 Apr 2017 10:23:04 +0000 (12:23 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 20 May 2017 12:28:35 +0000 (14:28 +0200)
commit55f9811b98f25724ab828fba0f4f8dd5302de405
tree8e9ec1a75e654bdc94d508d7d57034ae6af33675tree | snapshot
parent83f66c9a602613a79c56a1ae5a8c6152fb57ea8dcommit | diff
staging: gdm724x: gdm_mux: fix use-after-free on module unload

commit b58f45c8fc301fe83ee28cad3e64686c19e78f1c upstream.

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.

Fixes: 61e121047645 ("staging: gdm7240: adding LTE USB driver")
Cc: Won Kang <wkang77@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/gdm724x/gdm_mux.c diff | blob | history
Domain: System / Kernel;