Fix a panic possibility caused by returning without releasing locks. It was fixed by moving problemetic checks, as well as checks that doesn't need locking before locks are acquired.
Fix a panic possibility caused by returning without releasing locks.
It was fixed by moving problemetic checks, as well as checks that
doesn't need locking before locks are acquired.

Submitted by:		Ryan Sommers <ryans@gamersimpact.com>
In co-operation with:	cperciva, maxim, mlaier, sam
Tested by:		submitter (previous patch), me (current patch)
Reviewed by:		cperciva, mlaier (previous patch), sam (current patch)
Approved by:		sam
Dedicated to:		enough!

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