K 10
svn:author
V 8
hselasky
K 8
svn:date
V 27
2015-08-15T09:00:36.348214Z
K 7
svn:log
V 228
Fix race in USB PF which can happen if we stop tracing exactly when
the kernel is tapping an USB transfer. This leads to a NULL pointer
access. The solution is to only trace while the USB bus lock is
locked.

MFC after:	2 weeks

END