ovl: fix error value printed in ovl_lookup_index()

BugLink: http://bugs.launchpad.net/bugs/1723145
commit e0082a0f04c432cb6d7128ef60d8e425e45ce025 upstream.

Fixes: 359f392ca53e ("ovl: lookup index entry for copy up origin")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>

diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index 8aef2b304b2d2bd2ad0c26942765e4bca0362835..9deec68075dc27172e5e379c767a9d9a3eec21d2 100644 (file)
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -506,6 +506,7 @@ static struct dentry *ovl_lookup_index(struct dentry *dentry,
 
        index = lookup_one_len_unlocked(name.name, ofs->indexdir, name.len);
        if (IS_ERR(index)) {
+               err = PTR_ERR(index);
                pr_warn_ratelimited("overlayfs: failed inode index lookup (ino=%lu, key=%*s, err=%i);\n"
                                    "overlayfs: mount with '-o index=off' to disable inodes index.\n",
                                    d_inode(origin)->i_ino, name.len, name.name,