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

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commit b58f45c8fc 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: 61e1210476 ("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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Johan Hovold 2017-04-26 12:23:04 +02:00 • committed by Ben Hutchings

parent 88468b0d4d

commit e106f1b53a

1 changed files with 1 additions and 2 deletions

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drivers/staging/gdm724x/gdm_mux.c

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