5aa3e2513d
On error mmap returns value MAP_FAILED, which is (void *)-1, not NULL
pointer.
Change-Id: I81b187266c943fa0aa4fab21b529d4c2989b12ad
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
[ROCm/ROCR-Runtime commit: 590fd531c0]