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Commit 3fa96268 authored by Dan Williams's avatar Dan Williams
Browse files

libnvdimm, pfn: fix nd_pfn_validate() return value handling 



The -ENODEV case indicates that the info-block needs to established.
All other return codes cause nd_pfn_init() to abort.

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 979fccfb

drivers/nvdimm/pmem.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -238,7 +238,9 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) 




	nd_pfn->pfn_sb = pfn_sb;

	nd_pfn->pfn_sb = pfn_sb;

	rc = nd_pfn_validate(nd_pfn);

	rc = nd_pfn_validate(nd_pfn);

	if (rc == 0 || rc == -EBUSY)

	if (rc == -ENODEV)

		/* no info block, do init */;

	else

		return rc;

		return rc;





	nd_region = to_nd_region(nd_pfn->dev.parent);

	nd_region = to_nd_region(nd_pfn->dev.parent);