summary refs log tree commit diff
path: root/drivers/nvdimm/pmem.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/nvdimm/pmem.c')
-rw-r--r--drivers/nvdimm/pmem.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 24618431a14b..7282d7495bf1 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -53,21 +53,24 @@ static int pmem_clear_poison(struct pmem_device *pmem, phys_addr_t offset,
 	struct device *dev = to_dev(pmem);
 	sector_t sector;
 	long cleared;
+	int rc = 0;
 
 	sector = (offset - pmem->data_offset) / 512;
-	cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len);
 
+	cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len);
+	if (cleared < len)
+		rc = -EIO;
 	if (cleared > 0 && cleared / 512) {
-		dev_dbg(dev, "%s: %#llx clear %ld sector%s\n",
-				__func__, (unsigned long long) sector,
-				cleared / 512, cleared / 512 > 1 ? "s" : "");
-		badblocks_clear(&pmem->bb, sector, cleared / 512);
-	} else {
-		return -EIO;
+		cleared /= 512;
+		dev_dbg(dev, "%s: %#llx clear %ld sector%s\n", __func__,
+				(unsigned long long) sector, cleared,
+				cleared > 1 ? "s" : "");
+		badblocks_clear(&pmem->bb, sector, cleared);
 	}
 
 	invalidate_pmem(pmem->virt_addr + offset, len);
-	return 0;
+
+	return rc;
 }
 
 static void write_pmem(void *pmem_addr, struct page *page,
@@ -270,7 +273,7 @@ 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;
 	}