diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c
index 9630d8837ba9..3ff84784249a 100644
--- a/drivers/dax/pmem.c
+++ b/drivers/dax/pmem.c
@@ -87,7 +87,8 @@ static int dax_pmem_probe(struct device *dev)
 	pfn_sb = nd_pfn->pfn_sb;
 
 	if (!devm_request_mem_region(dev, nsio->res.start,
-				resource_size(&nsio->res), dev_name(dev))) {
+				resource_size(&nsio->res),
+				dev_name(&ndns->dev))) {
 		dev_warn(dev, "could not reserve region %pR\n", &nsio->res);
 		return -EBUSY;
 	}
diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 8d66fbb779ed..4638b9ea5229 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -275,7 +275,7 @@ int devm_nsio_enable(struct device *dev, struct nd_namespace_io *nsio)
 
 	nsio->size = resource_size(res);
 	if (!devm_request_mem_region(dev, res->start, resource_size(res),
-				dev_name(dev))) {
+				dev_name(&ndns->dev))) {
 		dev_warn(dev, "could not reserve region %pR\n", res);
 		return -EBUSY;
 	}
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 42b3a8217073..34f16a17c07b 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -266,7 +266,7 @@ static int pmem_attach_disk(struct device *dev,
 		dev_warn(dev, "unable to guarantee persistence of writes\n");
 
 	if (!devm_request_mem_region(dev, res->start, resource_size(res),
-				dev_name(dev))) {
+				dev_name(&ndns->dev))) {
 		dev_warn(dev, "could not reserve region %pR\n", res);
 		return -EBUSY;
 	}