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authorDan Williams <dan.j.williams@intel.com>2016-12-17 15:08:10 -0800
committerDan Williams <dan.j.williams@intel.com>2016-12-17 15:08:10 -0800
commitc44ef859ceff45db1c72f9ccbfae96843c4b1501 (patch)
treec97d8cab54f9d62faa5a5713298418ab93a452e0 /drivers/nvdimm/pmem.c
parent325896ffdf90f7cbd59fb873b7ba20d60d1ddf3c (diff)
parentd7fe1a67f658b50ec98ee1afb86df7b35c2b2593 (diff)
downloadlinux-bcache-libnvdimm-for-4.10.tar.zst
Merge branch 'for-4.10/libnvdimm' into libnvdimm-for-nextlibnvdimm-for-4.10
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;
}