Child crashes when the backend is down

[Dag-Erling Smørgrav]

"Poul-Henning Kamp" <phk at phk.freebsd.dk> writes:
> Obviously nobody else will ever check the busy flag in that case,
> so the locking isn't necessary.

HSH_Ref() and HSH_Deref() already check that o->objhead != NULL before
trying to lock the mutex, so I applied the same logic to HSH_Unbusy().
Is this a suitable fix?

DES
-- 
Dag-Erling Smørgrav
Senior Software Developer
Linpro AS - www.linpro.no

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