[PATCH 2/3] libnvdimm, pfn: fix restoring memmap location

From: Dan Williams
Date: Sat Jan 30 2016 - 13:42:44 EST


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@xxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/nvdimm/pfn_devs.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 0cc9048b86e2..ae81a2f1da50 100644
--- 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;
}