Alan Somers fc9437c886 Fix clearing geom metadata if DIOCGSECTORSIZE fails ...

An unhandled error case would result in passing SIZE_MAX to malloc.
While I'm here, remove an unnecessary NULL check before free

Reported by:	Coverity
CID:		1017793
MFC after:	3 weeks
Sponsored by:	Spectra Logic Corp

2017-04-05 17:17:18 +00:00

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subr.c

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subr.h

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