[PATCH] ovl: inode reference leak in "ovl_is_inuse" true case.

[youngjun]

When "ovl_is_inuse" true case, trap inode reference not put.

Signed-off-by: youngjun <her0gyu...@gmail.com>
---
 fs/overlayfs/super.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 91476bc422f9..8837fc1ec3be 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1499,8 +1499,10 @@ static int ovl_get_layers(struct super_block *sb, struct 
ovl_fs *ofs,
 
                if (ovl_is_inuse(stack[i].dentry)) {
                        err = ovl_report_in_use(ofs, "lowerdir");
-                       if (err)
+                       if (err) {
+                               iput(trap);
                                goto out;
+                       }
                }
 
                mnt = clone_private_mount(&stack[i]);
-- 
2.17.1