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(parent: 808dc88) | 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 12:30:56 +0000 (14:30 +0200)
commit4097eda73b4cbb189ea7f0e6193b380339e39ce5
tree8ec2adb82e98a19510a88b66f19c2747ad13baedtree | snapshot
parent808dc8810896bb8ea1298b4f1ab14100ab787ca3commit | 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
wrapfs-4.10.y