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(parent: 4d2206e) | patch
USB: ark3116: fix use-after-free in TIOCMIWAIT
authorJohan Hovold <jhovold@gmail.com>
Tue, 19 Mar 2013 08:21:11 +0000 (09:21 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 5 Apr 2013 16:26:04 +0000 (09:26 -0700)
commit74b63618655dc8fa4bb58f88e0b857cee86a71ae
treee4732ce467be72c8a7b96d2a84d6f21c5453adeatree | snapshot
parent4d2206e46ae13b5c724eb7d971cd45e92103cba9commit | diff
USB: ark3116: fix use-after-free in TIOCMIWAIT

commit 5018860321dc7a9e50a75d5f319bc981298fb5b7 upstream.

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.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/ark3116.c diff | blob | history
Linux kernel for KaRo TX COM modules