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-rw-r--r--fs/overlayfs/copy_up.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 7a44533f4bbf..d55fceb4e414 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -284,7 +284,6 @@ static int ovl_set_origin(struct dentry *dentry, struct dentry *lower,
struct dentry *upper)
{
struct super_block *sb = lower->d_sb;
- uuid_be *uuid = (uuid_be *) &sb->s_uuid;
const struct ovl_fh *fh = NULL;
int err;
@@ -294,8 +293,8 @@ static int ovl_set_origin(struct dentry *dentry, struct dentry *lower,
* up and a pure upper inode.
*/
if (sb->s_export_op && sb->s_export_op->fh_to_dentry &&
- uuid_be_cmp(*uuid, NULL_UUID_BE)) {
- fh = ovl_encode_fh(lower, uuid);
+ !uuid_is_null(&sb->s_uuid)) {
+ fh = ovl_encode_fh(lower, &sb->s_uuid);
if (IS_ERR(fh))
return PTR_ERR(fh);
}