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USB: serial: cyberjack: fix NULL-deref at open
authorJohan Hovold <johan@kernel.org>
Tue, 3 Jan 2017 15:39:40 +0000 (16:39 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Jan 2017 10:22:46 +0000 (11:22 +0100)
commitb60b91268cd03cdcf2b76e6bf02dacc32534e3cd
treed6ef1b7ff10099758ee2428539b944d7aecb8178
parentb835f4cd67009d1f265e525f27bf236ede0a3f8b
USB: serial: cyberjack: fix NULL-deref at open

commit 3dca01114dcecb1cf324534cd8d75fd1306a516b upstream.

Fix NULL-pointer dereference when clearing halt at open should the device
lack a bulk-out endpoint.

Unable to handle kernel NULL pointer dereference at virtual address 00000030
...
PC is at cyberjack_open+0x40/0x9c [cyberjack]

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/cyberjack.c