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(parent: 6cb0b80) | patch
USB: f81232: fix use-after-free in TIOCMIWAIT
authorJohan Hovold <jhovold@gmail.com>
Tue, 19 Mar 2013 08:21:14 +0000 (09:21 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Mar 2013 22:59:03 +0000 (15:59 -0700)
commit87d2d9222f3dc4e74d648c4a8397524203f48885
treea4ea91f143a67db1f733e2c46a3e6d3509d328cetree | snapshot
parent6cb0b800bef23a704f4b149b897a89918596e7b3commit | diff
USB: f81232: 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/f81232.c diff | blob | history
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