K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2013-10-22T12:58:22.216560Z
K 7
svn:log
V 317
Unconditionally acquire periph reference on CCB allocation failure.

cam_periph_acquire() can return error if periph already invalidated, but
that may be unacceptable and cause deadlock if the invalidated periph can't
be destroyed without "executing" the scheduled request.

Coverity CID:	1109822
MFC after:	2 months

END