12885 efcode: smatch and build errors
Reviewed by: Igor Kozhukhov <igor@dilos.org>
Reviewed by: Andy Fiddaman <andy@omniosce.org>
Approved by: Dan McDonald <danmcd@joyent.com>

5107846 DR hangs on fcode_interpreter() running parallel DR.
5043347 PANIC with efcode probing of bad I/O hw in slot;

OpenSolaris Launch