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(parent: 69f87f4) | patch
USB: spcp8x5: fix use-after-free in TIOCMIWAIT
authorJohan Hovold <jhovold@gmail.com>
Tue, 19 Mar 2013 08:21:24 +0000 (09:21 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Mar 2013 22:59:05 +0000 (15:59 -0700)
commitdbcea7615d8d7d58f6ff49d2c5568113f70effe9
tree47f06b36ddcc1a8b48288fd901e5073ab7a60bectree | snapshot (tar.gz zip)
parent69f87f40d2b98e8b4ab82a121fd2bd584690b887commit | diff
USB: spcp8x5: fix use-after-free in TIOCMIWAIT

Use the port wait queue and make sure to check the serial disconnected
flag before accessing private port data after waking up.

This is is needed as the private port data (including the wait queue
itself) can be gone when waking up after a disconnect.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/spcp8x5.c diff | blob | blame | history
Motorola kernel-slsi