K 10
svn:author
V 5
sephe
K 8
svn:date
V 27
2016-07-14T07:39:34.036389Z
K 7
svn:log
V 277
hyperv/vmbus: Release vmbus channel lock before detach devices

Device detach method may sleep.

While I'm here, rename the function, fix indentation and function
comment.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7110

END