K 10
svn:author
V 5
sephe
K 8
svn:date
V 27
2016-11-25T07:24:11.414806Z
K 7
svn:log
V 270
hyperv/vmbus: Return EISCONN if the bufring GPADL can't be disconnected.

So that the callers of vmbus_chan_open_br() could handle the passed in
bufring memory properly.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8569

END