David Yat Sin
1c2d70c796
Fix segfault on p2p copies when 2 agents cannot access each other's
memory (usually because the PCI BAR's are out of range). The
AcquireAsyncCopyAccess function should return NULL in that case, so that
the test can be skipped.
Change-Id: If018f3609dd21a01c56eaec94de3bca52c385c4d
[ROCm/ROCR-Runtime commit: 4ba4867fa5]