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| author | Dan Williams <dan.j.williams@intel.com> | 2016-12-17 15:08:10 -0800 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-12-17 15:08:10 -0800 |
| commit | c44ef859ceff45db1c72f9ccbfae96843c4b1501 (patch) | |
| tree | c97d8cab54f9d62faa5a5713298418ab93a452e0 /drivers/nvdimm/pmem.c | |
| parent | 325896ffdf90f7cbd59fb873b7ba20d60d1ddf3c (diff) | |
| parent | d7fe1a67f658b50ec98ee1afb86df7b35c2b2593 (diff) | |
Merge branch 'for-4.10/libnvdimm' into libnvdimm-for-next
Diffstat (limited to 'drivers/nvdimm/pmem.c')
| -rw-r--r-- | drivers/nvdimm/pmem.c | 21 |
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; } |