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-rw-r--r--drivers/nvdimm/namespace_devs.c23
-rw-r--r--drivers/nvdimm/pmem.c4
2 files changed, 13 insertions, 14 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 6307088b375f..a518cb1b59d4 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -957,6 +957,7 @@ static ssize_t __size_store(struct device *dev, unsigned long long val)
{
resource_size_t allocated = 0, available = 0;
struct nd_region *nd_region = to_nd_region(dev->parent);
+ struct nd_namespace_common *ndns = to_ndns(dev);
struct nd_mapping *nd_mapping;
struct nvdimm_drvdata *ndd;
struct nd_label_id label_id;
@@ -964,7 +965,7 @@ static ssize_t __size_store(struct device *dev, unsigned long long val)
u8 *uuid = NULL;
int rc, i;
- if (dev->driver || to_ndns(dev)->claim)
+ if (dev->driver || ndns->claim)
return -EBUSY;
if (is_namespace_pmem(dev)) {
@@ -1034,20 +1035,16 @@ static ssize_t __size_store(struct device *dev, unsigned long long val)
nd_namespace_pmem_set_resource(nd_region, nspm,
val * nd_region->ndr_mappings);
- } else if (is_namespace_blk(dev)) {
- struct nd_namespace_blk *nsblk = to_nd_namespace_blk(dev);
-
- /*
- * Try to delete the namespace if we deleted all of its
- * allocation, this is not the seed device for the
- * region, and it is not actively claimed by a btt
- * instance.
- */
- if (val == 0 && nd_region->ns_seed != dev
- && !nsblk->common.claim)
- nd_device_unregister(dev, ND_ASYNC);
}
+ /*
+ * Try to delete the namespace if we deleted all of its
+ * allocation, this is not the seed device for the region, and
+ * it is not actively claimed by a btt instance.
+ */
+ if (val == 0 && nd_region->ns_seed != dev && !ndns->claim)
+ nd_device_unregister(dev, ND_ASYNC);
+
return rc;
}
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 7282d7495bf1..5b536be5a12e 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -90,7 +90,9 @@ static int read_pmem(struct page *page, unsigned int off,
rc = memcpy_from_pmem(mem + off, pmem_addr, len);
kunmap_atomic(mem);
- return rc;
+ if (rc)
+ return -EIO;
+ return 0;
}
static int pmem_do_bvec(struct pmem_device *pmem, struct page *page,