When returning early from audit_arg_file() due to so->so_pcb being NULL (due to an early reset or the like), remember to unlock the socket lock. This will not occur in 7-CURRENT, but could in theory occur in 6-STABLE.
When returning early from audit_arg_file() due to so->so_pcb being NULL
(due to an early reset or the like), remember to unlock the socket lock.
This will not occur in 7-CURRENT, but could in theory occur in 6-STABLE.

MFC after:	1 week

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