In case kmemdup fails, the fix goes to blk_err to avoid NULL
pointer dereference
Signed-off-by: Kangjie Lu <k...@umn.edu>
---
drivers/nvdimm/namespace_devs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 4b077555ac70..6f65261e151f 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -2245,9 +2245,12 @@ static struct device *create_namespace_blk(struct
nd_region *nd_region,
if (!nsblk->uuid)
goto blk_err;
memcpy(name, nd_label->name, NSLABEL_NAME_LEN);
- if (name[0])
+ if (name[0]) {
nsblk->alt_name = kmemdup(name, NSLABEL_NAME_LEN,
GFP_KERNEL);
+ if (!nsblk->alt_name)
+ goto blk_err;
+ }
res = nsblk_add_resource(nd_region, ndd, nsblk,
__le64_to_cpu(nd_label->dpa));
if (!res)
--
2.17.1
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