msm-camera : Fix for Unbounded copy in msm_camera_v4l2_private_control

Fix for the Unbounded copy in msm_camera_v4l2_private_control function

CRs-Fixed: 545962

Change-Id: I36b3cb3193610a090f3fc87273bc71317e7029bd
Signed-off-by: Katta Santhisindhu <kattas@codeaurora.org>
msm:camera: Copy data from user to kernel space before access

This would avoid any invalid access of data.

CRs-fixed: 550608

Change-Id: I30993a9bc731227e72f3be34874505f01357f04d
Signed-off-by: Alok Kediya <kediya@codeaurora.org>
msm:camera: Initialize a structure before usage

Initialize a structure using memset such that it is
populated properly before returning to userspace.

CRs-fixed: 550567
Change-Id: I2b3c78cd2b309de13acf2811fcc16b8bc04fa052
Signed-off-by: Alok Kediya <kediya@codeaurora.org>
msm-camera: Fix to prevent kernel heap buffer overflow in actuator

Fix to prevent kernel heap buffer overflow allows user
controlled data to be written to the heap via the
msm_camera actuator IOCTLs

Change-Id: I5d511e8c1aa2f76f4209a6712a58d8757bc53367
CRs-Fixed: 545979
Signed-off-by: Katta Santhisindhu <kattas@codeaurora.org>
msm-camera: fix to prevent untrusted pointer to lead DoS in Actuator

fix to prevent untrusted userspace pointer in actuator kernel
driver to lead DoS in actuator driver

Change-Id: If9dcba3d4871ca98f78542f8bfb1623a02032f0d
CRs-Fixed: 547231
Signed-off-by: Katta Santhisindhu <kattas@codeaurora.org>
msm-camera: Validate VFE command id

Validating VFE command id to avoid memory related corruptions.

Change-Id: I35ce2ed8514e0112b996ce05be6e6f505cdb6e60
CRs-Fixed: 563542
Signed-off-by: Katta Santhisindhu <kattas@codeaurora.org>
msm: camera: Clear frame stucture before use

Clear frame structure before use and avoid unnecessary side
effects

CRs-Fixed: 563447

Change-Id: I9acd436f30c65c01fa366328f7227a2045f42657
Signed-off-by: Ashok Raj Deenadayalan <adeena@codeaurora.org>