tree 8ae9c425fef05e38b0aab0ecf18372de2c5820ca
parent cac9b50b0d75a1d50d6c056ff65c005f3224c8e0
author Vladis Dronov <vdronov@redhat.com> 1452607850 +0100
committer Johan Hovold <johan@kernel.org> 1453718445 +0100

USB: serial: visor: fix crash on detecting device without write_urbs

The visor driver crashes in clie_5_attach() when a specially crafted USB
device without bulk-out endpoint is detected. This fix adds a check that
the device has proper configuration expected by the driver.

Reported-by: Ralf Spenneberg <ralf@spenneberg.net>
Signed-off-by: Vladis Dronov <vdronov@redhat.com>
Fixes: cfb8da8f69b8 ("USB: visor: fix initialisation of UX50/TH55 devices")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>