libnvdimm, pfn: fix restoring memmap location

This path was missed when turning on the memmap in pmem support.  Permit
'pmem' as a valid location for the map.

Reported-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 0cc9048..ae81a2f 100644 (file)
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -301,10 +301,8 @@ int nd_pfn_validate(struct nd_pfn *nd_pfn)
 
        switch (le32_to_cpu(pfn_sb->mode)) {
        case PFN_MODE_RAM:
-               break;
        case PFN_MODE_PMEM:
-               /* TODO: allocate from PMEM support */
-               return -ENOTTY;
+               break;
        default:
                return -ENXIO;
        }