libnvdimm, label: add address abstraction identifiers

[linux-2.6-microblaze.git] / drivers / nvdimm / dax_devs.c

diff --git a/drivers/nvdimm/dax_devs.c b/drivers/nvdimm/dax_devs.c
index c1b6556..59f6763 100644 (file)
--- a/drivers/nvdimm/dax_devs.c
+++ b/drivers/nvdimm/dax_devs.c
@@ -111,6 +111,14 @@ int nd_dax_probe(struct device *dev, struct nd_namespace_common *ndns)
        if (ndns->force_raw)
                return -ENODEV;
 
+       switch (ndns->claim_class) {
+       case NVDIMM_CCLASS_NONE:
+       case NVDIMM_CCLASS_DAX:
+               break;
+       default:
+               return -ENODEV;
+       }
+
        nvdimm_bus_lock(&ndns->dev);
        nd_dax = nd_dax_alloc(nd_region);
        nd_pfn = &nd_dax->nd_pfn;