]> git.baikalelectronics.ru Git - kernel.git/commit
USB: io_ti: fix use-after-free in TIOCMIWAIT
authorJohan Hovold <jhovold@gmail.com>
Tue, 19 Mar 2013 08:21:17 +0000 (09:21 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Mar 2013 22:59:04 +0000 (15:59 -0700)
commit380907639a16934b34018059bdc8352a86df2884
treeb258f1f160f2b464b2ae4abca1a894f4ff2560cf
parent89632892b3583c98803821959d3f333cd84f566a
USB: io_ti: 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/io_ti.c