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Staging: ipack/devices/ipoctal: fix dereference NULL pointer
authorSamuel Iglesias Gonsálvez <siglesias@igalia.com>
Fri, 13 Jul 2012 11:33:13 +0000 (13:33 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 17 Jul 2012 02:11:37 +0000 (19:11 -0700)
After opening and closing the file /dev/ipoctal.X.Y.Z for the second time, it
gives a kernel oops due to a dereference of a NULL pointer.

The problem was that tty->driver_data was not properly initialized when
accessing the file for the second time.

Reported-by: Alberto Garcia Gonzalez <agarcia@igalia.com>
Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

No differences found
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