media: tegra: nvavp: Fix heap overflow

Bug:27253079

Increase NVAVP_MAX_RELOCATION_COUNT to max. possible value
and add check to return error if num_relocs in
nvavp_pushbuffer_submit_ioctl exceeds
NVAVP_MAX_RELOCATION_COUNT

Change-Id: Ief36cedd692aa53135fc6a0039b19f18609259dd
Signed-off-by: Somasundaram S <somasundaram@nvidia.com>
(cherry picked from commit b1a604ef7860d6ad87a464eb57024aaf667a7e88)
Signed-off-by: Xia Yang <xiay@nvidia.com>
2 files changed