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: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2015-12-13 11:35:52 -08:00
parent 979fccfb73
commit 3fa9626865

View File

@ -238,7 +238,9 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn)
nd_pfn->pfn_sb = pfn_sb;
rc = nd_pfn_validate(nd_pfn);
if (rc == 0 || rc == -EBUSY)
if (rc == -ENODEV)
/* no info block, do init */;
else
return rc;
nd_region = to_nd_region(nd_pfn->dev.parent);