Updates from version 18.6
- Backport fixes:
- rstream.c: fix RESOURCE_LEAK issues
- xsrq_pingpong.c: Fix RESOURCE_LEAK issue
- srp_daemon: check return value of function 'umad_init'
- Fix shiftTooManyBitsSigned issues
- rcopy: fix UNUSED_VALUE
- vmw_pvrdma: Avoid double unlock on qp->sq.lock
- ibacm: Fix bug in acm_get_ep()
- libhns: Avoid null pointer operation