[media] usbvision: fix crash on detecting device with invalid configuration
authorVladis Dronov <vdronov@redhat.com>
Mon, 16 Nov 2015 17:55:11 +0000 (15:55 -0200)
committerSasha Levin <sasha.levin@oracle.com>
Mon, 18 Apr 2016 12:50:31 +0000 (08:50 -0400)
commit37dee22181885e7847e8c95843b6e94138edbd43
treed4aeeb91183663928a396bf7805566fe642ff82a
parent46460a03f44f1915ded434057fa46332438b3a6e
[media] usbvision: fix crash on detecting device with invalid configuration

[ Upstream commit fa52bd506f274b7619955917abfde355e3d19ffe ]

The usbvision driver crashes when a specially crafted usb device with invalid
number of interfaces or endpoints is detected. This fix adds checks 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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
drivers/media/usb/usbvision/usbvision-video.c