Add buffer length check to sanity checks for USERPTR QBUF.

Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

get_user_pages() can return a negative error code when it fails. Set
buf->npages to 0 in that case, to prevent isp_video_buffer_cleanup()
from releasing invalid pages.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

It doesn't get more trivial than these.

Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

The OMAP3 ISP video devices and buffers queue modules implement the V4L2
API on all the ISP video nodes.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: David Cohen <dacohen@gmail.com>
Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Vimarsh Zutshi <vimarsh.zutshi@gmail.com>
Signed-off-by: Tuukka Toivonen <tuukkat76@gmail.com>
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Antti Koskipaa <akoskipa@gmail.com>
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: RaniSuneela <r-m@ti.com>
Signed-off-by: Atanas Filipov <afilipov@mm-sol.com>
Signed-off-by: Gjorgji Rosikopulos <grosikopulos@mm-sol.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Nayden Kanchev <nkanchev@mm-sol.com>
Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Dominic Curran <dcurran@ti.com>
Signed-off-by: Ilkka Myllyperkio <ilkka.myllyperkio@sofica.fi>
Signed-off-by: Pallavi Kulkarni <p-kulkarni@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>