Commented FwdState::cancelStep()

I simply copied the existing TunnelStateData::cancelStep()
comment - both these methods do the same.

diff --git a/src/FwdState.cc b/src/FwdState.cc
index 0b275a852c2519fb016971f8d58d134e9290db8d..994095c932d45c4a136b8664f52881e1dfd25d19 100644 (file)
--- a/src/FwdState.cc
+++ b/src/FwdState.cc
@@ -318,6 +318,9 @@ FwdState::~FwdState()
     debugs(17, 3, "FwdState destructed, this=" << this);
 }
 
+/// Notify a pending subtask, if any, that we no longer need its help. We do not
+/// have to do this -- the subtask job will eventually end -- but ending it
+/// earlier reduces waste and may reduce DoS attack surface.
 void
 FwdState::cancelStep(const char *reason)
 {