K 10
svn:author
V 3
ken
K 8
svn:date
V 27
2020-07-16T20:43:28.431737Z
K 7
svn:log
V 277
Hold the mutex when releasing a callout.

In xpt_release_device(), callout_stop() was being called without
holding the mutex (send_mtx) that is used to protect the callout.

So, move the mtx_unlock() call so that it is protected.

MFC after:	1 week
Sponsored by:	Spectra Logic

END