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git2svn
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2021-02-11T05:16:51.133487Z
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V 526
nvdimm: Fix error path mis-free

(diff applied manually due to refactoring)

Regression introduced in r343629 when malloc result was renamed from spa to
spa_mapping and the 'spa' name was instead used to iterate a table, but the
free() target was not updated.

Reviewed by:	kib, scottph
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D21871

(cherry picked from commit 31f1c8fc84c850d73e74781126e12efceb50032b)

Git Hash:   40c1f835412d3e00901a146db6c317d654e65980
Git Author: cem@FreeBSD.org
END