Pyun YongHyeon 005a5d42fa Fix module unload panic which was caused by missing sx lock release.
While I'm here add KASSERT(9) to notify failure of SYSUNINIT handler.

Reported by:	Ben Kaduk < minimarmot AT gmail DOT com >
Tested by:	Ben Kaduk < minimarmot AT gmail DOT com >
2005-09-14 01:34:13 +00:00
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