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-rw-r--r--drivers/nvdimm/claim.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 30852270484f..2e96b34bc936 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -276,7 +276,8 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns,
if (rw == READ) {
if (unlikely(is_bad_pmem(&nsio->bb, sector, sz_align)))
return -EIO;
- return memcpy_mcsafe(buf, nsio->addr + offset, size);
+ if (memcpy_mcsafe(buf, nsio->addr + offset, size) != 0)
+ return -EIO;
}
if (unlikely(is_bad_pmem(&nsio->bb, sector, sz_align))) {