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USB: oti6858: fix use-after-free in TIOCMIWAIT
authorJohan Hovold <jhovold@gmail.com>
Tue, 19 Mar 2013 08:21:21 +0000 (09:21 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 5 Apr 2013 16:26:03 +0000 (09:26 -0700)
commit46be1a4df2a4c83d5a35c141c8647dd56828597c
treea4f2dae4d37c3d074777d718402ca72cef6d032ctree | snapshot
parent7f34a2376903eb9b72447da235fc103ac6d16a79commit | diff
USB: oti6858: fix use-after-free in TIOCMIWAIT

commit 8edfdab37157d2683e51b8be5d3d5697f66a9f7b 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/oti6858.c diff | blob | history
unionfs2-2.6.39.y