commit 455f7d1c47c75e39fbbe6d01db5b19678653a31e
author Siqi Lin <siqilin@google.com> Tue Oct 11 12:12:27 2016 -0700
committer Ariel Yin <ayin@google.com> Mon Oct 17 23:17:50 2016 +0000
tree 5f30a7f24ee85bdb69e517c615d60f790f725bc4
parent 82a8d863c10ebebc9cd71d3b9615af8020cdfaf8

BACKPORT: msm: camera: cpp: Add validation for v4l2 ioctl arguments

In CPP v4l2 ioctl command is made, if _IOC_DIR(cmd) is
_IOC_NONE, then the user-supplied argument arg is not checked
and an information disclosure is possible

Bug: 29464815
CRs-Fixed: 1042068
Change-Id: Ibcd0c4d6605ecdabe4f720aaf47366dbd7503ad1
Signed-off-by: Sunid Wilson <sunidw@codeaurora.org>
Signed-off-by: Biswajit Paul <biswajitpaul@codeaurora.org>
Signed-off-by: Siqi Lin <siqilin@google.com>

(cherry-picked from commit 35b674b22af887a05a1697c8518fd89b8cd87a3d)