msm: vidc: Validate userspace buffer count before using it
msm: vidc: Validate userspace buffer count
Makesure the number of buffers count is less than
the maximum limit to avoid structure overflow errors.

Change-Id: Icf3850de36325637ae43ac95f1c8f0f63e201d31
CRs-fixed: 563694
Signed-off-by: Pachika, Vikas Reddy <vpachi@codeaurora.org>
msm: msm_fb: Do not use ION_IOMMU_UNMAP_DELAYED flag.
Since iommu buffers will be unmapped after two newer commits
had passed, there is no need to request iommu driver to further
delay unmapping an iommu buffer.

Change-Id: I44099054114403fa7ac6a5e3c71a43d6b932f4a3
Signed-off-by: raghavendra ambadas <rambad@codeaurora.org>