USB: keyspan: fix null-deref at disconnect and release
authorJohan Hovold <jhovold@gmail.com>
Tue, 13 Aug 2013 11:27:35 +0000 (13:27 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Aug 2013 19:49:27 +0000 (12:49 -0700)
commitff8a43c10f1440f07a5faca0c1556921259f7f76
tree80402017bf94acfa9418892f64483e5c9bf0590a
parentef6c8c1d733e244f0499035be0dabe1f4ed98c6f
USB: keyspan: fix null-deref at disconnect and release

Make sure to fail properly if the device is not accepted during attach
in order to avoid null-pointer derefs (of missing interface private
data) at disconnect or release.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/keyspan.c