X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fnvdimm%2Fbus.c;h=935866fe5ec2ea7c47d3f192f2b17572470098c1;hb=7178578cf509dc512cde83795941d0cf3f9c3aac;hp=458daf9273362a19cc26d6a4f2c9113764f493b8;hpb=f4a9c169c29efea31b22aec0012ad29df6cf84d4;p=deliverable%2Flinux.git

diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 458daf927336..935866fe5ec2 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -185,8 +185,12 @@ long nvdimm_clear_poison(struct device *dev, phys_addr_t phys,
 		return -ENXIO;
 
 	nd_desc = nvdimm_bus->nd_desc;
+	/*
+	 * if ndctl does not exist, it's PMEM_LEGACY and
+	 * we want to just pretend everything is handled.
+	 */
 	if (!nd_desc->ndctl)
-		return -ENXIO;
+		return len;
 
 	memset(&ars_cap, 0, sizeof(ars_cap));
 	ars_cap.address = phys;