This was detected by fault injection test
Signed-off-by: Hirofumi Nakagawa <nklabs@xxxxxxxxx>
---
fs/overlayfs/super.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index fd5ea4facc62..701aa2f3536d 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -174,6 +174,9 @@ static struct inode *ovl_alloc_inode(struct super_block *sb)
{
struct ovl_inode *oi = kmem_cache_alloc(ovl_inode_cachep, GFP_KERNEL);
+ if (!oi)
+ return NULL;
+
oi->cache = NULL;
oi->redirect = NULL;
oi->version = 0;
--
2.14.1
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