MFC r209263:

MFC r209263:

r209175:

Eliminate dead code.

Found by:	Coverity Prevent
CID:		5158

r209177:

Remove macros that are not really needed. The idea was to have them in case
we grow more descriptors, but I'll reconsider readding them once we get there.

Passing (a = b) expression to FD_ISSET() is bad idea, as FD_ISSET() evaluates
its argument twice.

Found by:	Coverity Prevent
CID:		5243

r209179:

Plug memory leaks.

Found by:	Coverity Prevent
CID:		7052, 7053, 7054, 7055

r209180:

Plug memory leak.

Found by:	Coverity Prevent
CID:		7051

r209181:

Plug memory leak.

Found by:	Coverity Prevent
CID:		7056

r209182:

Plug memory leak.

Found by:	Coverity Prevent
CID:		7057

r209183:

Initialize gctl_seq for synchronization requests.

Reported by:	hiroshi@soupacific.com
Analysed by:	Mikolaj Golub <to.my.trociny@gmail.com>
Tested by:	hiroshi@soupacific.com, Mikolaj Golub <to.my.trociny@gmail.com>

r209184:

Fix typos.

r209185:

Correct various log messages.

Submitted by: Mikolaj Golub <to.my.trociny@gmail.com>

Note that without some of these changes hastd won't work on 8.x properly.

Approved by:	re (kensmith)

git-svn-id: svn://svn.freebsd.org/base/releng/8.1@209488 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f